:root {
  color-scheme: dark;
  --bg: #08130e;
  --panel: #102219;
  --line: #274536;
  --text: #f1f8f3;
  --muted: #a8bbae;
  --accent: #65d17e;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 20rem; -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #173b28, var(--bg) 55%); color: var(--text); }
img, svg, video { max-width: 100%; height: auto; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 2rem; }
.login-card { width: min(100%, 28rem); padding: 2.5rem; border: 1px solid var(--line); border-radius: 1.25rem; background: color-mix(in srgb, var(--panel) 92%, transparent); box-shadow: 0 1.5rem 5rem #0007; }
.eyebrow { color: var(--accent); letter-spacing: .18em; font-weight: 800; font-size: .78rem; }
h1 { margin: .4rem 0 .6rem; font-size: clamp(1.8rem, 5vw, 2.5rem); }
h2 { margin: .4rem 0 .6rem; }
.muted { color: var(--muted); line-height: 1.6; }
form { display: grid; gap: .7rem; margin-top: 2rem; }
label { margin-top: .5rem; font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: .65rem; padding: .85rem 1rem; background: #09140e; color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
textarea { resize: vertical; line-height: 1.55; }
select { color-scheme: dark; }
button:disabled { cursor: not-allowed; opacity: .55; }
button, .button { display: inline-block; margin-top: .8rem; border: 0; border-radius: .65rem; padding: .9rem 1.1rem; background: var(--accent); color: #06120a; font: inherit; font-weight: 800; cursor: pointer; text-decoration: none; text-align: center; }
.secondary { background: #d7e8dc; }
.compact { margin: 0; padding: .65rem .9rem; }
.step { color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .15em; }
.field-help { margin: 0; color: var(--muted); font-size: .85rem; line-height: 1.45; }
.error, .warning, .notice { margin: 1.2rem 0; padding: .9rem 1rem; border-radius: .7rem; line-height: 1.5; }
.error { border: 1px solid #d45f68; background: #40191e; color: #ffdce0; }
.warning { border: 1px solid #e0b34d; background: #3b2d0d; color: #ffedbc; }
.notice { border: 1px solid #5eaa73; background: #12311d; color: #dff7e5; }
.qr-frame { width: fit-content; margin: 1.4rem auto; padding: .75rem; border-radius: .8rem; background: #fff; }
.qr-frame img { display: block; max-width: 100%; height: auto; }
details { margin-top: 1rem; border: 1px solid var(--line); border-radius: .7rem; padding: .9rem 1rem; }
summary { cursor: pointer; font-weight: 700; }
.secret { display: block; margin-top: .8rem; overflow-wrap: anywhere; color: var(--accent); letter-spacing: .08em; }
.otp-input { text-align: center; font-size: 1.7rem; font-weight: 800; letter-spacing: .3em; }
.recovery-panel form { margin-top: 1rem; }
.recovery-codes { display: grid; grid-template-columns: 1fr 1fr; gap: .65rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.recovery-codes li { padding: .65rem; border: 1px solid var(--line); border-radius: .5rem; text-align: center; }
.cms-body { background: var(--bg); }
.cms-header { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.25rem clamp(1.25rem, 4vw, 4rem); border-bottom: 1px solid var(--line); background: #0b1a12; }
.cms-header .eyebrow, .user-line { margin: .25rem 0; }
.user-line { color: var(--muted); }
.brand-link { color: inherit; text-decoration: none; }
.cms-nav { display: flex; align-items: center; gap: .35rem; }
.cms-nav a { padding: .65rem .8rem; border-radius: .55rem; color: var(--muted); font-weight: 700; text-decoration: none; }
.cms-nav a:hover, .cms-nav a.active { background: #173525; color: var(--text); }
.inline-form { display: block; margin: 0; }
.cms-main { width: min(72rem, calc(100% - 2.5rem)); margin: 0 auto; padding: 4rem 0; }
.hero-panel, .module-card { border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.hero-panel { padding: clamp(1.5rem, 4vw, 3rem); }
.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.25rem; margin-top: 1.25rem; }
.module-card { display: flex; flex-direction: column; padding: 1.5rem; }
.module-card > .button { align-self: flex-start; margin-top: auto; }
.status-pill { display: inline-block; margin-top: .8rem; padding: .35rem .6rem; border-radius: 999px; background: #3b2d0d; color: #ffedbc; font-size: .8rem; font-weight: 700; }
.status-pill.ready { background: #12311d; color: #dff7e5; }
.session-dialog { width: min(92vw, 28rem); border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; background: var(--panel); color: var(--text); box-shadow: 0 2rem 6rem #000a; }
.session-dialog::backdrop { background: #000a; backdrop-filter: blur(3px); }
.session-dialog form { margin-top: 1rem; }
.countdown { color: var(--accent); font-weight: 800; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.mail-shell { display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); min-height: calc(100vh - 5.5rem); }
.mail-sidebar { padding: 1.5rem 1rem; border-right: 1px solid var(--line); background: #0b1a12; }
.compose-button { width: 100%; margin: 0 0 1rem; }
.mailbox-address { margin: .5rem .5rem 1rem; color: var(--muted); font-size: .78rem; overflow-wrap: anywhere; }
.folder-list { display: grid; gap: .3rem; }
.folder-button { display: flex; justify-content: space-between; align-items: center; width: 100%; margin: 0; padding: .72rem .85rem; border: 1px solid transparent; background: transparent; color: var(--muted); text-align: left; }
.folder-button:hover { background: #132b1e; color: var(--text); }
.folder-button.active { border-color: var(--line); background: #173525; color: var(--text); }
.folder-count { min-width: 1.8rem; padding: .15rem .4rem; border-radius: 999px; background: #213d2d; color: var(--text); font-size: .75rem; text-align: center; }
.mail-workspace { min-width: 0; padding: 1.5rem; }
.mail-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.mail-toolbar .eyebrow, .mail-toolbar h1 { margin: 0; }
.mail-toolbar h1 { font-size: clamp(1.6rem, 3vw, 2.15rem); }
.mobile-compose { display: none; }
.mail-filters { display: grid; grid-template-columns: minmax(13rem, 2fr) minmax(10rem, 1fr) minmax(8rem, 1fr) 9rem 9rem auto; gap: .6rem; margin: 1.25rem 0; }
.mail-filters input, .mail-filters select, .mail-filters button { margin: 0; padding: .7rem .8rem; }
.mail-columns { display: grid; grid-template-columns: minmax(18rem, 27rem) minmax(25rem, 1fr); min-height: calc(100vh - 15.5rem); overflow: hidden; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.message-list-panel { display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; border-right: 1px solid var(--line); }
.message-list { min-height: 0; flex: 1 1 auto; overflow-y: auto; }
.message-row { display: flex; flex-direction: column; width: 100%; gap: .3rem; margin: 0; padding: 1rem; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--text); text-align: left; }
.message-row:hover { background: #142b1e; }
.message-row.selected { box-shadow: inset 4px 0 var(--accent); background: #183424; }
.message-row.unread { background: #102d1d; }
.message-row.unread .message-subject, .message-row.unread .message-sender { font-weight: 850; }
.message-row-top { display: flex; justify-content: space-between; gap: .75rem; color: var(--muted); font-size: .78rem; }
.message-row-top time { flex: none; }
.message-sender { overflow: hidden; color: var(--text); text-overflow: ellipsis; white-space: nowrap; }
.message-subject { overflow: hidden; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.message-snippet { overflow: hidden; color: var(--muted); font-size: .85rem; text-overflow: ellipsis; white-space: nowrap; }
.message-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .3rem; color: #8fb99b; font-size: .72rem; }
.star-mark { color: #f3c84d; }
.empty-state { padding: 2rem 1rem; color: var(--muted); text-align: center; }
.load-more { align-self: flex-end; margin: 2rem 1rem 1rem auto; }
.message-reader { min-width: 0; min-height: 0; overflow-y: auto; overscroll-behavior: contain; background: #0d1d15; }
.reader-empty { display: grid; min-height: 100%; place-content: center; padding: 2rem; text-align: center; }
.reader-header { position: sticky; z-index: 2; top: 0; padding: 1.35rem; border-bottom: 1px solid var(--line); background: color-mix(in srgb, #0d1d15 96%, transparent); backdrop-filter: blur(8px); }
.reader-header .eyebrow, .reader-header h2, .project-line { margin: .2rem 0; }
.reader-header [data-action="close-reader"] { display: none; }
.project-line { color: var(--accent); font-size: .85rem; font-weight: 700; }
.reader-actions { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1rem; }
.reader-actions button { margin: 0; }
.project-assignment { display: grid; grid-template-columns: minmax(10rem, 1fr) minmax(10rem, 1fr) auto; gap: .5rem; margin-top: .75rem; }
.project-assignment select, .project-assignment input, .project-assignment button { margin: 0; padding: .65rem .75rem; }
.thread-list { display: grid; gap: .8rem; padding: 1rem; }
.thread-message { overflow: hidden; border: 1px solid var(--line); border-radius: .75rem; background: var(--panel); }
.thread-message details { margin: 0; padding: 0; border: 0; border-radius: 0; }
.thread-message summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; list-style-position: inside; }
.thread-summary-main { display: inline-grid; gap: .25rem; }
.thread-summary-main span { color: var(--muted); }
.thread-message time { flex: none; color: var(--muted); font-size: .8rem; }
.recipient-lines { margin: 0; padding: 0 1rem 1rem; overflow: auto; color: var(--muted); font: .78rem/1.45 ui-monospace, monospace; white-space: pre-wrap; }
.message-body { padding: 1rem; border-top: 1px solid var(--line); overflow-wrap: anywhere; line-height: 1.6; }
.message-body.html-message { overflow-x: auto; background: #fff; color: #172019; color-scheme: light; }
.message-body.html-message img { max-width: 100% !important; height: auto !important; }
.message-body.html-message table { width: auto !important; max-width: 100% !important; }
.message-body.html-message td, .message-body.html-message th { overflow-wrap: anywhere; }
.message-body a { color: var(--accent); }
.message-body.html-message a { color: #12662b; }
.message-body table { max-width: 100%; border-collapse: collapse; }
.message-body td, .message-body th { padding: .35rem; border: 1px solid var(--line); }
.plain-message { margin: 0; overflow: auto; color: var(--text); font: inherit; white-space: pre-wrap; }
.attachment-list { display: flex; flex-wrap: wrap; gap: .55rem; padding: 0 1rem 1rem; }
.attachment-link { padding: .55rem .7rem; border: 1px solid var(--line); border-radius: .55rem; color: var(--accent); text-decoration: none; }
.compose-dialog { width: min(94vw, 50rem); max-height: 92vh; overflow-y: auto; border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; background: var(--panel); color: var(--text); box-shadow: 0 2rem 7rem #000b; }
.compose-dialog::backdrop { background: #000b; backdrop-filter: blur(4px); }
.dialog-close-form { position: absolute; top: .65rem; right: .65rem; display: block; margin: 0; }
.icon-button { width: 2.5rem; height: 2.5rem; margin: 0; padding: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 1.6rem; }
.icon-button:hover { background: #244332; color: var(--text); }
.compose-dialog [data-compose-form] { margin-top: 0; }
.compose-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; padding-right: 2.5rem; }
.compose-heading .eyebrow, .compose-heading h2 { margin: .2rem 0; }
.draft-status { margin: .3rem 0; color: var(--muted); font-size: .8rem; }
.compose-copy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.compose-actions { display: flex; justify-content: flex-end; gap: .7rem; }
.compose-actions button { margin: .4rem 0 0; }
.text-button { width: fit-content; margin: 0; padding: .25rem 0; background: transparent; color: var(--accent); text-align: left; }
.text-button:hover { text-decoration: underline; }
.project-dialog { width: min(94vw, 34rem); max-height: 92vh; overflow-y: auto; border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; background: var(--panel); color: var(--text); box-shadow: 0 2rem 7rem #000b; }
.project-dialog::backdrop { background: #000b; backdrop-filter: blur(4px); }
.project-dialog h2, .project-dialog .eyebrow { margin: .2rem 0; }
.toast { position: fixed; z-index: 20; right: 1.25rem; bottom: 1.25rem; max-width: min(28rem, calc(100vw - 2.5rem)); padding: .8rem .75rem .8rem 1rem; border: 1px solid #5eaa73; border-radius: .7rem; background: #12311d; color: #dff7e5; box-shadow: 0 1rem 3rem #0009; }
.toast.error-toast { border-color: #d45f68; background: #40191e; color: #ffdce0; }
.toast[hidden] { display: none; }
.toast:not([hidden]) { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: .75rem; }
.toast-message { align-self: center; overflow-wrap: anywhere; line-height: 1.45; }
.toast-close { display: grid; width: 2.25rem; height: 2.25rem; min-height: 0; margin: -.25rem; padding: 0; place-items: center; border: 1px solid currentColor; border-radius: 999px; background: transparent; color: inherit; font-size: 1.35rem; line-height: 1; opacity: .85; }
.toast-close:hover { background: #ffffff16; opacity: 1; }

.users-main { padding-top: 2.5rem; }
.users-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.users-heading h1, .users-heading .eyebrow, .users-heading .muted { margin: .25rem 0; }
.users-heading button { flex: none; margin: 0; }
.users-summary { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.5rem 0 1rem; }
.summary-chip { padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 999px; background: #192d21; color: var(--muted); font-size: .82rem; font-weight: 700; }
.summary-chip.ready { background: #12311d; color: #dff7e5; }
.summary-chip.danger { border-color: #b6535c; background: #40191e; color: #ffdce0; }
.dashboard-project-stats { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1rem 0; }
.user-list { display: grid; gap: .8rem; }
.user-card { display: grid; grid-template-columns: minmax(16rem, 1fr) minmax(18rem, auto); align-items: center; gap: 1.5rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--panel); }
.user-card.disabled { opacity: .72; background: #111914; }
.user-name-line { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }
.user-name-line h2, .user-name-line .status-pill { margin: 0; }
.user-email { margin: .35rem 0; color: var(--accent); overflow-wrap: anywhere; }
.user-meta { margin: .2rem 0; color: var(--muted); font-size: .85rem; line-height: 1.45; }
.user-alert { margin: .5rem 0 0; color: #ffedbc; font-size: .85rem; }
.current-user-badge { display: inline-block; margin-top: .5rem; padding: .25rem .5rem; border-radius: .45rem; background: #244332; color: var(--accent); font-size: .75rem; font-weight: 800; }
.user-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: .45rem; }
.user-actions button { margin: 0; }
.user-dialog, .credential-dialog { width: min(94vw, 34rem); max-height: 92vh; overflow-y: auto; border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; background: var(--panel); color: var(--text); box-shadow: 0 2rem 7rem #000b; }
.user-dialog::backdrop, .credential-dialog::backdrop { background: #000b; backdrop-filter: blur(4px); }
.checkbox-line { display: flex; align-items: center; gap: .7rem; margin-top: .8rem; cursor: pointer; }
.checkbox-line input { width: 1.15rem; height: 1.15rem; margin: 0; accent-color: var(--accent); }
.temporary-password { display: block; margin: 1.2rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: .65rem; background: #09140e; color: var(--accent); font: 700 1rem/1.5 ui-monospace, monospace; overflow-wrap: anywhere; user-select: all; }
.credential-dialog form { margin-top: .7rem; }

/* Project workspace */
.projects-main { width: min(96rem, calc(100% - clamp(2rem, 5vw, 5rem))); margin: 0 auto; padding: clamp(1.5rem, 4vw, 3rem) 0; }
.projects-toolbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; }
.projects-toolbar :is(h1, .eyebrow, .muted) { margin: .2rem 0; }
.projects-toolbar > button { flex: none; margin: 0; }
.project-summary { display: grid; grid-template-columns: repeat(4, minmax(8rem, 1fr)); gap: .75rem; margin: 1.5rem 0 1rem; }
.project-summary-card { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--panel); color: var(--muted); }
.project-summary-card strong { color: var(--text); font-size: 1.5rem; }
.project-summary-card.danger { border-color: #b6535c; background: #30161a; }
.project-summary-card.danger strong { color: #ffbfc5; }
.project-filters { display: grid; grid-template-columns: minmax(15rem, 2fr) minmax(10rem, 1fr) auto auto; align-items: center; gap: .7rem; margin: 1rem 0; }
.project-filters > * { margin: 0; }
.project-filters .checkbox-line { white-space: nowrap; }
.projects-layout { display: grid; grid-template-columns: minmax(18rem, 25rem) minmax(30rem, 1fr); height: max(42rem, calc(100dvh - 18rem)); overflow: hidden; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); box-shadow: 0 .85rem 2.5rem #0002; }
.project-list { min-height: 0; overflow-y: auto; border-right: 1px solid var(--line); background: #0c1b13; }
.project-list-card { display: grid; width: 100%; gap: .4rem; margin: 0; padding: 1rem; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--text); text-align: left; }
.project-list-card:hover { background: #142b1e; }
.project-list-card.selected { background: #183424; box-shadow: inset 4px 0 var(--accent); }
.project-list-card.deleted { opacity: .7; background: #251719; }
.project-card-head, .project-card-meta { display: flex; align-items: center; justify-content: space-between; gap: .65rem; }
.project-card-name { font-size: 1rem; font-weight: 800; }
.project-card-customer, .project-card-meta { color: var(--muted); font-size: .8rem; }
.project-priority { padding: .2rem .45rem; border-radius: 999px; background: #233a2c; font-size: .7rem; text-transform: uppercase; }
.project-priority.high, .project-priority.urgent { background: #4a291d; color: #ffd6b8; }
.project-priority.urgent { background: #481a20; color: #ffdce0; }
.project-detail { min-width: 0; min-height: 0; overflow-y: auto; overscroll-behavior: contain; background: #0d1d15; }
.project-detail-header { position: sticky; z-index: 2; top: 0; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1.25rem; border-bottom: 1px solid var(--line); background: color-mix(in srgb, #0d1d15 96%, transparent); backdrop-filter: blur(8px); }
.project-detail-header :is(h2, p) { margin: .2rem 0; }
.project-detail-header [data-action="close-project"] { display: none; margin: 0 0 .75rem; }
.project-detail-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem; }
.project-detail-actions button { margin: 0; }
.project-tabs { position: sticky; z-index: 1; top: 7.2rem; display: flex; gap: .35rem; padding: .65rem 1rem; overflow-x: auto; border-bottom: 1px solid var(--line); background: #102219; }
.project-tabs button { flex: none; margin: 0; padding: .55rem .75rem; background: transparent; color: var(--muted); }
.project-tabs button.active { background: #244332; color: var(--text); box-shadow: inset 0 -2px var(--accent); }
.project-tab-body { display: grid; gap: 1rem; padding: 1.25rem; }
.project-fields { display: grid; grid-template-columns: repeat(2, minmax(12rem, 1fr)); gap: .75rem; }
.project-field { display: grid; gap: .3rem; padding: .85rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--panel); }
.project-field span { color: var(--muted); font-size: .78rem; }
.project-description, .project-subsection, .project-comment, .project-email-row, .project-file-row { padding: 1rem; border: 1px solid var(--line); border-radius: .7rem; background: var(--panel); }
.project-description h3, .project-subsection h3 { margin-top: 0; }
.timeline-item { display: grid; gap: .25rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.timeline-item:last-child { border-bottom: 0; }
.timeline-item span, .project-email-row span, .project-file-row span, .project-comment time { color: var(--muted); font-size: .8rem; }
.member-list, .project-email-list, .project-file-list { display: grid; gap: .6rem; }
.member-row { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem; border: 1px solid var(--line); border-radius: .65rem; background: var(--panel); }
.member-form, .project-file-form, .project-email-search { display: grid; grid-template-columns: minmax(12rem, 1fr) minmax(8rem, .5fr) auto; gap: .6rem; margin: 0; }
.project-status-form { display: grid; grid-template-columns: minmax(10rem, .7fr) minmax(14rem, 1fr) auto; gap: .6rem; margin: 0; }
.project-file-form, .project-email-search { grid-template-columns: minmax(12rem, 1fr) auto; }
.member-form > *, .project-file-form > *, .project-email-search > *, .project-status-form > * { margin: 0; }
.project-email-row, .project-comment { display: grid; gap: .35rem; }
.project-email-row p, .project-comment p { margin: .3rem 0 0; white-space: pre-wrap; }
.project-file-row { display: grid; grid-template-columns: minmax(10rem, 1fr) minmax(12rem, auto) auto; align-items: center; gap: .75rem; }
.project-file-row a { color: var(--accent); overflow-wrap: anywhere; }
.project-file-row button { margin: 0; }
.project-comment-form { margin: 0; }
.project-editor-dialog { width: min(94vw, 48rem); }
.project-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.project-form-grid label { display: grid; gap: .45rem; }

@media (max-width: 72rem) {
  .mail-filters { grid-template-columns: 2fr 1fr 1fr; }
  .mail-filters button { width: fit-content; }
  .mail-columns { grid-template-columns: minmax(17rem, 22rem) minmax(22rem, 1fr); }
}

@media (max-width: 64rem) {
  .cms-header { flex-wrap: wrap; gap: 1rem; }
  .cms-nav { max-width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: thin; }
  .cms-main { padding: 2.5rem 0; }
  .user-card { grid-template-columns: minmax(13rem, 1fr) minmax(14rem, auto); }
  .projects-layout { grid-template-columns: minmax(17rem, 21rem) minmax(26rem, 1fr); }
}

@media (max-width: 48rem) {
  .mail-header .cms-nav { order: 3; width: 100%; }
  .mail-shell { display: block; }
  .mail-sidebar { display: flex; gap: .4rem; padding: .65rem; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .mail-sidebar .compose-button, .mailbox-address { display: none; }
  .folder-list { display: flex; gap: .35rem; }
  .folder-button { width: auto; white-space: nowrap; }
  .mail-workspace { padding: 1rem; }
  .mobile-compose { display: inline-block; }
  .mail-filters { grid-template-columns: 1fr 1fr; }
  .mail-columns { display: block; min-height: 60vh; }
  .message-list-panel { border-right: 0; }
  .message-reader { display: none; position: fixed; z-index: 10; inset: 0; padding-top: 0; }
  .mail-reader-open .message-reader { display: block; }
  .reader-header [data-action="close-reader"] { display: inline-block; margin: 0 0 .75rem; }
}

@media (max-width: 36rem) {
  .login-shell { padding: 1rem; }
  .login-card { padding: 1.35rem; }
  .recovery-codes { grid-template-columns: 1fr; }
  .cms-header { align-items: stretch; flex-direction: column; padding: 1rem; }
  .cms-nav { width: 100%; padding-bottom: .25rem; }
  .cms-nav a { flex: none; padding: .7rem; }
  .cms-main { width: min(100% - 1.5rem, 72rem); padding: 1.5rem 0; }
  .mail-workspace { padding: .75rem; }
  .mail-toolbar { align-items: flex-start; }
  .mail-filters { grid-template-columns: 1fr; }
  .mail-filters button { width: 100%; }
  .mail-columns { border-radius: .75rem; }
  .message-row { padding: .85rem; }
  .reader-header, .thread-list { padding: .75rem; }
  .thread-message summary { align-items: flex-start; flex-direction: column; gap: .35rem; padding: .8rem; }
  .compose-copy-grid, .project-assignment { grid-template-columns: 1fr; }
  .compose-dialog, .project-dialog, .user-dialog, .credential-dialog, .session-dialog { width: 100vw; max-width: none; max-height: 100dvh; margin: 0; border-radius: 0; padding: 1rem; }
  .compose-actions { flex-wrap: wrap; }
  .compose-actions button { flex: 1 1 9rem; }
  .users-heading { flex-direction: column; gap: 1rem; }
  .users-heading button { width: 100%; }
  .user-card { grid-template-columns: 1fr; gap: 1rem; padding: 1rem; }
  .user-actions { justify-content: flex-start; }
  .user-actions button { flex: 1 1 8rem; }
}

@media (max-width: 24rem) {
  button, .button { min-height: 2.75rem; }
  .mail-toolbar { flex-direction: column; }
  .mobile-compose { width: 100%; margin: 0; }
  .attachment-link { width: 100%; overflow-wrap: anywhere; }
}

@media (hover: none) and (pointer: coarse) {
  button, .button, .cms-nav a, .folder-button { min-height: 2.75rem; }
}

@media (max-height: 32rem) and (orientation: landscape) {
  .compose-dialog, .project-dialog, .user-dialog, .credential-dialog, .session-dialog { max-height: 100dvh; }
}

/* Responsive CMS shell */
:root {
  --panel-raised: #13271d;
  --panel-soft: #0c1c14;
  --header-height: 4.75rem;
  --radius: 1rem;
  --shadow: 0 1.25rem 3.5rem #0005;
}

html { scrollbar-gutter: stable; }
body { min-height: 100dvh; }
body.ui-locked {
  position: fixed;
  inset-inline: 0;
  width: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

button, .button, input, select, textarea { min-width: 0; }
button, .button, .cms-nav a, .module-card, .user-card {
  transition: color .18s ease, background-color .18s ease, border-color .18s ease,
              box-shadow .18s ease, transform .18s ease;
}
button:focus-visible, .button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
button:active, .button:active { transform: translateY(1px); }

.cms-header {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: .7rem max(clamp(1rem, 4vw, 4rem), env(safe-area-inset-right))
           .7rem max(clamp(1rem, 4vw, 4rem), env(safe-area-inset-left));
  border-bottom: 1px solid color-mix(in srgb, var(--line) 85%, transparent);
  background: color-mix(in srgb, #0b1a12 94%, transparent);
  box-shadow: 0 .5rem 1.5rem #0002;
  backdrop-filter: blur(14px);
}
.brand-link { display: flex; min-width: 0; align-items: center; gap: .8rem; }
.brand-mark {
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  flex: none;
  place-items: center;
  border: 1px solid #77e28e66;
  border-radius: .8rem;
  background: linear-gradient(145deg, #285e3b, #12301f);
  color: #dff7e5;
  box-shadow: inset 0 1px #ffffff18;
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .05em;
}
.brand-copy { display: grid; min-width: 0; gap: .1rem; }
.brand-copy .eyebrow { margin: 0; }
.brand-copy .user-line {
  max-width: min(34vw, 30rem);
  margin: 0;
  overflow: hidden;
  font-size: .82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cms-menu { display: flex; min-width: 0; flex: 1; align-items: center; justify-content: flex-end; gap: .8rem; }
.cms-nav { min-width: 0; }
.cms-nav a { position: relative; white-space: nowrap; }
.cms-nav a:hover { background: #173525; color: var(--text); }
.cms-nav a.active { background: #1b3b29; color: var(--text); box-shadow: inset 0 -2px var(--accent); }
.logout-form button:hover { background: #eef8f1; }
.nav-toggle, .mobile-menu-heading, .nav-scrim { display: none; }

.cms-main {
  width: min(78rem, calc(100% - clamp(2rem, 7vw, 6rem)));
  padding: clamp(2rem, 5vw, 4rem) 0;
}
.hero-panel, .module-card, .user-card, .mail-columns {
  box-shadow: 0 .85rem 2.5rem #0002;
}
.module-card:hover { border-color: #3b6950; transform: translateY(-2px); box-shadow: var(--shadow); }
.hero-panel { background: linear-gradient(145deg, var(--panel-raised), var(--panel)); }
.mail-shell { min-height: calc(100dvh - var(--header-height)); }
.mail-sidebar { position: sticky; top: var(--header-height); height: calc(100dvh - var(--header-height)); overflow-y: auto; }
.mail-workspace { padding: clamp(1rem, 2.5vw, 2rem); }
.mail-columns { min-height: 36rem; height: max(36rem, calc(100dvh - 15.5rem)); }
.message-list { overscroll-behavior: contain; scrollbar-gutter: stable; }
.mail-columns > .message-list-panel, .mail-columns > .message-reader { height: 100%; }
.message-row:focus-visible { position: relative; z-index: 1; outline: 3px solid var(--accent); outline-offset: -3px; }
.user-card:hover { border-color: #365f49; background: var(--panel-raised); }

:is(.compose-dialog, .project-dialog, .user-dialog, .credential-dialog, .session-dialog) {
  max-height: min(90dvh, 52rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  border-color: #365e48;
  box-shadow: 0 2rem 7rem #000c;
}
:is(.compose-dialog, .project-dialog, .user-dialog, .credential-dialog, .session-dialog)::backdrop {
  background: #020805c7;
  backdrop-filter: blur(5px);
}
.toast { z-index: 70; right: max(1.25rem, env(safe-area-inset-right)); bottom: max(1.25rem, env(safe-area-inset-bottom)); }

@media (max-width: 64rem) {
  .cms-header { flex-wrap: nowrap; }
  .cms-main { padding: 2.25rem 0; }
  .brand-copy .user-line { max-width: 25vw; }
  .mail-columns { grid-template-columns: minmax(17rem, 22rem) minmax(20rem, 1fr); }
}

@media (max-width: 64rem) {
  :root { --header-height: 4.25rem; }
  .cms-header { align-items: center; flex-direction: row; gap: .75rem; padding-block: .6rem; }
  .brand-link { flex: 1; }
  .brand-mark { width: 2.55rem; height: 2.55rem; }
  .brand-copy .eyebrow { font-size: .7rem; }
  .brand-copy .user-line { max-width: calc(100vw - 9rem); font-size: .75rem; }
  .nav-toggle {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    flex: none;
    margin: 0;
    padding: .65rem;
    place-content: center;
    gap: .3rem;
    border: 1px solid var(--line);
    background: #132b1e;
  }
  .nav-toggle span { display: block; width: 1.25rem; height: 2px; border-radius: 999px; background: var(--text); }
  .cms-menu {
    position: fixed;
    z-index: 42;
    inset: 0 0 0 auto;
    display: flex;
    width: min(88vw, 22rem);
    height: 100dvh;
    align-items: stretch;
    justify-content: flex-start;
    flex-direction: column;
    gap: 1rem;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
             max(1rem, env(safe-area-inset-bottom)) 1rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    border-left: 1px solid var(--line);
    background: #0b1a12;
    box-shadow: -1.5rem 0 4rem #0009;
    visibility: hidden;
    transform: translateX(105%);
    transition: transform .25s ease, visibility 0s linear .25s;
  }
  .nav-open .cms-menu { visibility: visible; transform: none; transition-delay: 0s; }
  .mobile-menu-heading { display: flex; min-height: 2.75rem; align-items: center; justify-content: space-between; }
  .mobile-menu-heading .icon-button { flex: none; }
  .cms-nav { display: grid; width: 100%; gap: .45rem; overflow: visible; }
  .cms-nav a { display: flex; min-height: 3rem; align-items: center; padding: .8rem .9rem; border: 1px solid transparent; }
  .cms-nav a.active { border-color: var(--line); box-shadow: inset 3px 0 var(--accent); }
  .logout-form { margin-top: auto; }
  .logout-form button { width: 100%; min-height: 3rem; }
  .nav-scrim {
    position: fixed;
    z-index: 41;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border-radius: 0;
    background: #020805b8;
    opacity: 0;
    visibility: hidden;
    transform: none;
    transition: opacity .25s ease, visibility 0s linear .25s;
  }
  .nav-open .nav-scrim { opacity: 1; visibility: visible; transition-delay: 0s; }

  .mail-shell { display: block; }
  .mail-sidebar {
    position: sticky;
    z-index: 12;
    top: var(--header-height);
    display: flex;
    width: 100%;
    height: auto;
    gap: .4rem;
    padding: .6rem max(.65rem, env(safe-area-inset-left));
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    scrollbar-width: thin;
  }
  .mail-sidebar .compose-button, .mailbox-address { display: none; }
  .folder-list { display: flex; flex: none; gap: .35rem; }
  .folder-button { width: auto; min-height: 2.75rem; white-space: nowrap; }
  .mail-workspace { padding: 1rem; }
  .mobile-compose { display: inline-block; margin: 0; }
  .mail-columns { display: block; height: auto; min-height: 60dvh; }
  .mail-columns > .message-list-panel { height: auto; min-height: 60dvh; border-right: 0; }
  .message-reader { position: fixed; z-index: 50; inset: 0; display: none; overscroll-behavior: contain; }
  .mail-reader-open .message-reader { display: block; }
  .reader-header { padding-top: max(1rem, env(safe-area-inset-top)); }
  .reader-header [data-action="close-reader"] { display: inline-block; margin: 0 0 .75rem; }
  .user-card { grid-template-columns: 1fr; gap: 1rem; }
  .user-actions { justify-content: flex-start; }
  .project-summary { grid-template-columns: 1fr 1fr; }
  .project-filters { grid-template-columns: 1fr 1fr; }
  .projects-layout { display: block; height: auto; min-height: 60dvh; }
  .project-list { max-height: none; border-right: 0; }
  .project-detail { position: fixed; z-index: 50; inset: 0; display: none; }
  .project-detail.has-project { display: block; }
  .project-detail-header [data-action="close-project"] { display: inline-block; }
}

@media (max-width: 40rem) {
  .cms-main { width: calc(100% - 1.5rem); padding: 1.5rem 0; }
  .login-shell { min-height: 100dvh; padding: 1rem; }
  .login-card { padding: 1.35rem; }
  input, select, textarea { min-height: 2.75rem; }
  .mail-workspace { padding: .75rem; }
  .mail-toolbar { align-items: flex-start; }
  .mail-filters { grid-template-columns: 1fr; }
  .mail-filters button { width: 100%; }
  .mail-columns { border-radius: .75rem; }
  .compose-copy-grid, .project-assignment { grid-template-columns: 1fr; }
  .users-heading { align-items: stretch; flex-direction: column; gap: 1rem; }
  .users-heading button { width: 100%; }
  .user-actions button { flex: 1 1 8rem; }
  .projects-toolbar { flex-direction: column; gap: 1rem; }
  .projects-toolbar > button { width: 100%; }
  .project-filters { grid-template-columns: 1fr; }
  .project-filters button { width: 100%; }
  .project-detail-header { flex-direction: column; padding-top: max(1rem, env(safe-area-inset-top)); }
  .project-detail-actions { justify-content: flex-start; }
  .project-fields, .project-form-grid { grid-template-columns: 1fr; }
  .member-form, .project-file-form, .project-email-search, .project-status-form, .project-file-row { grid-template-columns: 1fr; }
  :is(.compose-dialog, .project-dialog, .user-dialog, .credential-dialog, .session-dialog) {
    width: 100vw;
    max-width: none;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
             max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    border: 0;
    border-radius: 0;
  }
  .dialog-close-form { top: max(.65rem, env(safe-area-inset-top)); right: max(.65rem, env(safe-area-inset-right)); }
  .compose-actions { position: sticky; bottom: 0; flex-wrap: wrap; padding: .65rem 0 env(safe-area-inset-bottom); background: var(--panel); }
  .compose-actions button { flex: 1 1 9rem; }
  .toast { right: .75rem; bottom: max(.75rem, env(safe-area-inset-bottom)); left: .75rem; max-width: none; }
}

@media (max-width: 28rem) {
  .brand-copy .eyebrow { letter-spacing: .1em; }
  .mail-toolbar { flex-direction: column; }
  .mobile-compose { width: 100%; }
  .message-row { padding: .85rem; }
  .reader-header, .thread-list { padding-inline: .75rem; }
  .thread-message summary { align-items: flex-start; flex-direction: column; gap: .35rem; }
  .attachment-link { width: 100%; overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Mailbox list and focused message dialog */
.mail-filters {
  grid-template-columns: minmax(13rem, 2fr) minmax(10rem, 1fr)
    minmax(8rem, 1fr) 9rem 9rem auto auto;
}
.mail-columns { grid-template-columns: minmax(0, 1fr); }
.mail-columns > .message-list-panel {
  height: 100%;
  border-right: 0;
}
.mail-reader-dialog {
  width: min(96vw, 76rem);
  max-width: none;
  height: min(92dvh, 60rem);
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid #416d54;
  border-radius: 1rem;
  background: #0d1d15;
  color: var(--text);
  box-shadow: 0 2rem 7rem #000d;
}
.mail-reader-dialog::backdrop {
  background: #020805cf;
  backdrop-filter: blur(6px);
}
.mail-reader-dialog[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}
.mail-reader-dialog .reader-header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 0;
  gap: .5rem .75rem;
  padding: 1rem 1.25rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: #10241a;
  backdrop-filter: none;
}
.mail-reader-dialog .reader-heading { min-width: 0; }
.mail-reader-dialog .reader-heading h2 {
  margin-block: .1rem;
  overflow-wrap: anywhere;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
}
.mail-reader-dialog .reader-header [data-action="close-reader"] {
  display: inline-flex;
  align-items: center;
  align-self: start;
  justify-content: center;
  margin: 0;
  white-space: nowrap;
}
.mail-reader-dialog .reader-actions,
.mail-reader-dialog .project-assignment {
  grid-column: 1 / -1;
}
.mail-reader-dialog .reader-actions {
  gap: .3rem;
  margin-top: 0;
  padding-top: .55rem;
  border-top: 1px solid var(--line);
}
.mail-reader-dialog .reader-actions button {
  min-height: 2rem;
  padding: .4rem .6rem;
  border-radius: .45rem;
  font-size: .76rem;
  font-weight: 750;
  line-height: 1.15;
}
.reader-actions-toggle { display: none; }
.reader-secondary-actions { display: contents; }
.reader-secondary-actions[hidden] { display: none; }
.mail-reader-dialog .project-assignment { margin-top: 0; }
.mail-reader-dialog .thread-list {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: 100%;
  overflow-x: hidden;
  overflow-y: scroll;
  overscroll-behavior: contain;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  padding: 1.25rem 1.5rem 1.5rem;
  scrollbar-gutter: stable;
  background: #091710;
}
.mail-reader-dialog .thread-message {
  margin-bottom: .8rem;
  box-shadow: 0 .5rem 1.5rem #0003;
}
.mail-reader-dialog .thread-message:last-child { margin-bottom: 0; }
.mail-reader-dialog .message-body { min-height: 8rem; }

@media (max-width: 72rem) {
  .mail-filters { grid-template-columns: 2fr 1fr 1fr auto; }
}

@media (max-width: 48rem) {
  .mail-reader-dialog {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    border: 0;
    border-radius: 0;
  }
  .mail-reader-dialog .reader-header {
    padding: max(1rem, env(safe-area-inset-top))
      max(1rem, env(safe-area-inset-right)) .9rem
      max(1rem, env(safe-area-inset-left));
  }
  .mail-reader-dialog .thread-list {
    padding: 1rem max(.75rem, env(safe-area-inset-right))
      max(1rem, env(safe-area-inset-bottom))
      max(.75rem, env(safe-area-inset-left));
  }
}

@media (max-width: 40rem) {
  .mail-filters { grid-template-columns: 1fr; }
  .mail-filters button { width: 100%; }
  .mail-reader-dialog .reader-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .mail-reader-dialog .reader-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .mail-reader-dialog .reader-actions button { width: 100%; }
  .mail-reader-dialog .project-assignment { grid-template-columns: 1fr; }
}

@media (max-width: 28rem) {
  .mail-reader-dialog .reader-header { padding-inline: .75rem; }
  .mail-reader-dialog .reader-actions { grid-template-columns: 1fr; }
}

/* Account security and administrative operations */
.page-heading { margin-bottom: 1.5rem; }
.page-heading .eyebrow, .page-heading h1, .page-heading .muted { margin-block: .25rem; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.settings-card { padding: 1.35rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); box-shadow: 0 .8rem 2rem #0002; }
.settings-card h2 { margin-top: 0; }
.settings-card form { margin-top: 1rem; }
.settings-card-wide { grid-column: 1 / -1; }
.settings-card [data-totp-enrollment] { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.settings-card [data-totp-qr] { display: block; width: min(15rem, 100%); margin: 1rem auto; padding: .6rem; border-radius: .75rem; background: #fff; }
.settings-card code { display: block; padding: .75rem; overflow-wrap: anywhere; border-radius: .5rem; background: #07110c; color: var(--accent); text-align: center; }
.recovery-output { padding: 1rem; overflow: auto; border: 1px solid var(--line); border-radius: .65rem; background: #07110c; color: var(--accent); font: .9rem/1.7 ui-monospace, monospace; columns: 2; }
.operations-tabs { display: flex; gap: .4rem; margin-bottom: 1rem; overflow-x: auto; scrollbar-width: thin; }
.operations-tabs button { flex: none; margin: 0; padding: .65rem .8rem; background: #173525; color: var(--muted); }
.operations-tabs button.active { background: var(--accent); color: #06120a; }
.operations-panel { min-height: 24rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); }
.operations-panel > h2:first-child { margin-top: 0; }
.operations-list { display: grid; gap: .6rem; }
.operation-row { display: flex; align-items: center; gap: .75rem; margin: 0; padding: .8rem; border-bottom: 1px solid var(--line); }
.operation-row > :first-child { min-width: 0; flex: 1; }
.operation-row p, .operation-row span, .operation-row small { margin: 0; overflow-wrap: anywhere; }
.operation-row small { color: var(--muted); }
.operation-stack { align-items: flex-start; flex-direction: column; }
.operation-stack > * { flex: none; }
.mailbox-row { display: grid; grid-template-columns: minmax(12rem, 1fr) 9rem auto auto; }
.mailbox-row label { display: grid; gap: .25rem; margin: 0; font-size: .78rem; }
.mailbox-row input, .mailbox-row button { margin: 0; }
.mailbox-row span { display: grid; gap: .2rem; }
.alias-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: .6rem; margin: 0 0 1rem; }
.alias-form > * { margin: 0; }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: .8rem; }
.status-card { display: grid; gap: .35rem; padding: 1rem; border: 1px solid var(--line); border-radius: .75rem; background: #0b1a12; }
.status-card span { font-size: 1.2rem; font-weight: 800; }
.status-card small { color: var(--muted); overflow-wrap: anywhere; }
.status-card.ok { border-color: #3c8052; }
.status-card.error { border-color: #b85159; }
.remote-image-notice { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; padding: .75rem; border: 1px solid #c49631; border-radius: .6rem; background: #fff4d4; color: #3b2d0d; }
.remote-image-notice strong { flex: 1 1 15rem; }
.remote-image-notice button { margin: 0; font-size: .78rem; }
.remote-image-blocked { display: none !important; }

@media (max-width: 56rem) {
  .settings-grid { grid-template-columns: 1fr; }
  .settings-card-wide { grid-column: auto; }
  .mailbox-row { grid-template-columns: minmax(12rem, 1fr) minmax(8rem, .6fr); }
  .alias-form { grid-template-columns: 1fr 1fr; }
  .operation-row { align-items: stretch; flex-direction: column; }
}

/* Fluid phone and tablet refinements. The ranges cover common 320–1024 px viewports. */
@media (max-width: 64rem) {
  .cms-main, .projects-main { width: min(100% - 2rem, 78rem); }
  .mail-workspace { min-width: 0; }
  .project-detail, .message-reader { -webkit-overflow-scrolling: touch; }
  .project-tabs, .operations-tabs, .mail-sidebar { scroll-snap-type: x proximity; }
  .project-tabs button, .operations-tabs button, .folder-button { scroll-snap-align: start; }
  .operations-panel { padding: 1rem; }
}

@media (max-width: 48rem) {
  .project-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-summary-card { min-width: 0; }
  .mailbox-row, .alias-form { grid-template-columns: 1fr; }
  .status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .operation-row > button { width: 100%; }
  .recovery-output { columns: 1; }
}

@media (max-width: 40rem) {
  .hero-panel, .module-card, .settings-card, .operations-panel { padding: 1rem; }
  .module-grid, .settings-grid { gap: .85rem; }
  .page-heading { margin-bottom: 1rem; }
  .member-row { align-items: flex-start; flex-direction: column; }
  .project-detail-actions { width: 100%; }
  .project-detail-actions button { flex: 1 1 8rem; }
  .project-tabs { top: 0; }
  .operations-tabs { margin-inline: -.75rem; padding-inline: .75rem; }
  .status-grid { grid-template-columns: 1fr; }
  .remote-image-notice { align-items: stretch; }
  .remote-image-notice button { width: 100%; }
}

@media (max-width: 28rem) {
  .cms-main, .projects-main { width: min(100% - 1rem, 78rem); }
  .project-summary { grid-template-columns: 1fr; }
  .project-summary-card { padding: .8rem; }
  .user-actions { display: grid; grid-template-columns: 1fr; }
  .user-actions button { width: 100%; }
  .toast { right: .5rem; bottom: max(.5rem, env(safe-area-inset-bottom)); left: .5rem; }
}

@media (hover: none) and (pointer: coarse) {
  :is(button, .button, .cms-nav a, .folder-button, .project-tabs button, .operations-tabs button, .attachment-link) { min-height: 2.75rem; }
  .toast-close { width: 2.75rem; height: 2.75rem; margin: -.35rem; }
}

@media (max-height: 32rem) and (orientation: landscape) {
  :is(.compose-dialog, .project-dialog, .user-dialog, .credential-dialog, .session-dialog, .mail-reader-dialog) {
    width: 100vw;
    height: 100dvh;
    max-width: none;
    max-height: none;
    margin: 0;
    border-radius: 0;
  }
}

/* Mobile/tablet mail actions: one primary action plus an on-demand overflow. */
@media (max-width: 64rem) {
  .mail-reader-dialog .reader-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .3rem;
  }
  .mail-reader-dialog .reader-actions > button,
  .mail-reader-dialog .reader-secondary-actions button {
    width: auto;
    min-height: 2.65rem;
    padding: .5rem .8rem;
    font-size: .84rem;
    font-weight: 800;
    line-height: 1.15;
  }
  .mail-reader-dialog .reader-actions-toggle:not([hidden]) {
    display: inline-flex;
    align-items: center;
  }
  .mail-reader-dialog .reader-secondary-actions:not([hidden]) {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    flex: 1 0 100%;
    gap: .3rem;
    padding: .45rem;
    border: 1px solid var(--line);
    border-radius: .55rem;
    background: #0b1a12;
  }
  .mail-reader-dialog .reader-secondary-actions button {
    width: 100%;
    white-space: normal;
  }
  .mail-reader-dialog .project-assignment { display: none; }
  .assignment-dialog [data-assignment-form] { margin-top: 0; }
  .compose-dialog .compose-actions {
    position: static;
    bottom: auto;
    padding-bottom: 0;
  }
}

@media (max-width: 40rem) {
  .mail-reader-dialog .reader-secondary-actions:not([hidden]) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}