:root{
    --brand:#1463ff;
    --brand-dark:#0f4fd7;
    --brand-soft:#eef4ff;
    --purple:#7c3aed;
    --green:#16a34a;
    --green-soft:#ecfdf3;
    --orange:#f59e0b;
    --orange-soft:#fff7e6;
    --red:#ef4444;
    --red-soft:#fff1f2;
    --text:#10203d;
    --muted:#71809b;
    --border:#e4eaf2;
    --border-dark:#d4dce8;
    --surface:#ffffff;
    --surface-soft:#f8faff;
    --page:#f7f9fc;
    --shadow:0 10px 30px rgba(28,47,84,.07);
    --shadow-lg:0 22px 55px rgba(23,40,74,.15);
    --sidebar:278px;
    --topbar:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    color:var(--text);
    background:var(--page);
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    font-size:14px;
    line-height:1.45;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img,video,iframe{max-width:100%}
[hidden]{display:none!important}
.icon{display:block;flex:none}
.muted{color:var(--muted)}
.ok{color:var(--green)}
.warn{color:var(--orange)}
.danger-text{color:var(--red)}
.small{font-size:12px}
.text-right{text-align:right}
.nowrap{white-space:nowrap}
.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Authentication and installer */
.auth-wrap,.installer-wrap{
    min-height:100vh;
    display:grid;
    place-items:center;
    padding:32px 18px;
    background:
        radial-gradient(circle at 15% 0%,rgba(20,99,255,.12),transparent 32rem),
        linear-gradient(180deg,#f9fbff,#f3f6fb);
}
.auth-card,.installer-card{
    width:min(940px,100%);
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:22px;
    padding:30px;
    box-shadow:var(--shadow-lg);
}
.auth-card{width:min(480px,100%)}
.auth-heading{margin:24px 0 6px;font-size:30px;letter-spacing:-.03em}
.auth-subtitle{margin:0 0 24px;color:var(--muted)}
.auth-footer{margin-top:20px;text-align:center;color:var(--muted)}
.auth-footer a{color:var(--brand);font-weight:800}
.plan-choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.plan-choice{position:relative}
.plan-choice input{position:absolute;opacity:0;pointer-events:none}
.plan-choice label{display:block;height:100%;padding:16px;border:1px solid var(--border);border-radius:16px;background:#fff;cursor:pointer}
.plan-choice input:checked+label{border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,99,255,.12);background:var(--brand-soft)}
.plan-choice strong,.plan-choice small{display:block}
.plan-choice small{color:var(--muted);margin-top:5px}

/* Base controls */
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    min-width:0;
    font-size:16px;
}
.brand strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-symbol{
    display:grid;
    place-items:center;
    width:34px;
    height:34px;
    border-radius:10px;
    color:white;
    background:linear-gradient(135deg,var(--brand),#2c7cff);
    font-weight:950;
    box-shadow:0 8px 18px rgba(20,99,255,.22);
}
.button,.primary,.create-button{
    border:0;
    border-radius:9px;
    color:#fff;
    background:var(--brand);
    font-weight:800;
    min-height:40px;
    padding:10px 15px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    transition:.16s ease;
}
.button:hover,.primary:hover,.create-button:hover{background:var(--brand-dark);transform:translateY(-1px)}
.ghost,.secondary{
    min-height:40px;
    border:1px solid var(--border-dark);
    background:#fff;
    color:var(--text);
    border-radius:9px;
    padding:9px 14px;
    font-weight:750;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
}
.ghost:hover,.secondary:hover{border-color:#b9c5d6;background:var(--surface-soft)}
.danger-button{
    min-height:38px;
    border:1px solid #fecdd3;
    background:var(--red-soft);
    color:#be123c;
    border-radius:9px;
    padding:8px 13px;
    font-weight:800;
}
.icon-button,.notification-button{
    width:40px;
    height:40px;
    border:1px solid var(--border);
    border-radius:10px;
    background:#fff;
    color:#42516b;
    display:grid;
    place-items:center;
}
.notification-button{position:relative;border-color:transparent}
.notification-dot{
    position:absolute;
    top:2px;
    right:0;
    min-width:16px;
    height:16px;
    display:grid;
    place-items:center;
    border:2px solid #fff;
    border-radius:999px;
    background:var(--red);
    color:#fff;
    font-size:9px;
    font-weight:900;
}
.badge,.status-badge{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:5px;
    border-radius:999px;
    padding:4px 9px;
    background:var(--brand-soft);
    color:var(--brand);
    font-size:11px;
    font-weight:850;
    line-height:1.2;
}
.badge.green,.status-active{background:var(--green-soft);color:#12813c}
.badge.orange,.status-pending{background:var(--orange-soft);color:#b66b00}
.badge.red,.status-suspended,.status-failed{background:var(--red-soft);color:#c81e3a}
.badge.gray{background:#f1f4f8;color:#68758b}
.alert{
    border:1px solid var(--border);
    border-radius:12px;
    padding:13px 15px;
    margin-bottom:16px;
    font-weight:650;
}
.alert.good{border-color:#bbf7d0;background:var(--green-soft);color:#166534}
.alert.bad{border-color:#fecdd3;background:var(--red-soft);color:#9f1239}
.progress{
    height:7px;
    overflow:hidden;
    border-radius:999px;
    background:#e7edf5;
}
.progress>span{display:block;height:100%;border-radius:inherit;background:var(--brand)}
.form-grid{display:grid;gap:14px}
.form-grid label{display:grid;gap:6px;color:#33425d;font-weight:750}
.form-grid input,.form-grid select,.form-grid textarea,
.form-inline input,.form-inline select,.global-search input{
    width:100%;
    border:1px solid var(--border-dark);
    border-radius:9px;
    background:#fff;
    color:var(--text);
    padding:10px 12px;
    outline:none;
    transition:.15s ease;
}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus,
.form-inline input:focus,.form-inline select:focus,.global-search input:focus{
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(20,99,255,.10);
}
.form-grid textarea{min-height:96px;resize:vertical}
.form-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-inline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.form-inline input,.form-inline select{width:auto;min-width:180px}
.checkbox-row{display:flex!important;grid-template-columns:none!important;align-items:center;gap:8px!important}
.checkbox-row input{width:auto}
.actions,.board-header-actions,.file-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
hr{border:0;border-top:1px solid var(--border);margin:22px 0}

/* Shell aligned to mockups */
.app-shell{
    min-height:100vh;
    display:grid;
    grid-template-columns:var(--sidebar) minmax(0,1fr);
}
.sidebar{
    position:sticky;
    top:0;
    height:100vh;
    display:flex;
    flex-direction:column;
    background:#fff;
    border-right:1px solid var(--border);
    z-index:40;
}
.sidebar-brand-row{
    min-height:var(--topbar);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:0 22px;
    border-bottom:1px solid var(--border);
}
.sidebar-collapse{border:0;width:34px;height:34px;color:#53627a}
.sidebar-nav{
    display:grid;
    gap:4px;
    padding:18px 14px 0;
}
.sidebar-nav a{
    min-height:45px;
    display:flex;
    align-items:center;
    gap:13px;
    padding:10px 13px;
    color:#2e3f5c;
    border-radius:9px;
    font-weight:700;
}
.sidebar-nav a .icon{color:#63728c}
.sidebar-nav a:hover{background:#f6f8fc}
.sidebar-nav a.active{
    color:var(--brand);
    background:var(--brand-soft);
}
.sidebar-nav a.active .icon{color:var(--brand)}
.sidebar-divider{height:1px;background:var(--border);margin:18px 20px 0}
.sidebar-spacer{flex:1}
.organization-switcher{
    margin:16px;
    position:relative;
}
.organization-switcher summary{
    list-style:none;
    display:grid;
    grid-template-columns:auto minmax(0,1fr) auto;
    align-items:center;
    gap:10px;
    padding:11px;
    border:1px solid var(--border);
    border-radius:11px;
    background:#fff;
    cursor:pointer;
}
.organization-switcher summary::-webkit-details-marker{display:none}
.organization-avatar{
    width:36px;height:36px;border-radius:9px;
    display:grid;place-items:center;
    color:#fff;background:linear-gradient(135deg,#4f46e5,#6d28d9);
    font-size:12px;font-weight:900;
}
.organization-avatar.small{width:30px;height:30px;border-radius:8px}
.organization-summary{min-width:0}
.organization-summary strong,.organization-summary small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.organization-summary small{color:var(--muted);font-size:11px;margin-top:2px}
.organization-menu{
    position:absolute;
    left:0;right:0;bottom:calc(100% + 8px);
    padding:7px;
    border:1px solid var(--border);
    border-radius:12px;
    background:#fff;
    box-shadow:var(--shadow-lg);
    z-index:80;
}
.organization-menu button{
    width:100%;
    border:0;
    background:#fff;
    display:grid;
    grid-template-columns:auto minmax(0,1fr);
    align-items:center;
    gap:9px;
    text-align:left;
    padding:9px;
    border-radius:8px;
}
.organization-menu button:hover,.organization-menu button.selected{background:var(--brand-soft)}
.organization-menu strong,.organization-menu small{display:block}
.organization-menu small{color:var(--muted);text-transform:capitalize}

.main{min-width:0;background:var(--page)}
.topbar{
    height:var(--topbar);
    display:flex;
    align-items:center;
    gap:12px;
    padding:0 30px;
    background:#fff;
    border-bottom:1px solid var(--border);
    position:sticky;
    top:0;
    z-index:30;
}
.mobile-menu-button{display:none}
.global-search{
    position:relative;
    width:min(430px,42vw);
    margin-right:auto;
}
.global-search>.icon{
    position:absolute;
    top:50%;
    left:13px;
    transform:translateY(-50%);
    color:#8793a8;
    pointer-events:none;
}
.global-search input{height:42px;padding-left:41px;padding-right:56px;background:#fbfcfe}
.global-search kbd{
    position:absolute;right:10px;top:50%;transform:translateY(-50%);
    color:#8b97aa;background:transparent;border:0;font-size:12px;
}
.search-results{
    position:absolute;
    top:calc(100% + 8px);
    left:0;right:0;
    max-height:430px;
    overflow:auto;
    padding:7px;
    border:1px solid var(--border);
    border-radius:12px;
    background:#fff;
    box-shadow:var(--shadow-lg);
    z-index:100;
}
.search-result{
    display:grid;
    grid-template-columns:70px minmax(0,1fr);
    gap:10px;
    padding:10px;
    border-radius:8px;
}
.search-result:hover{background:var(--surface-soft)}
.search-result-type{font-size:10px;font-weight:900;color:var(--brand);text-transform:uppercase}
.search-result strong,.search-result span{display:block;overflow-wrap:anywhere}
.search-result span{color:var(--muted);font-size:12px;margin-top:2px}

.create-dropdown,.profile-dropdown{position:relative}
.create-dropdown summary,.profile-dropdown summary{list-style:none;cursor:pointer}
.create-dropdown summary::-webkit-details-marker,.profile-dropdown summary::-webkit-details-marker{display:none}
.create-button{height:42px;min-width:126px}
.create-menu,.profile-menu{
    position:absolute;
    top:calc(100% + 9px);
    right:0;
    width:285px;
    padding:7px;
    border:1px solid var(--border);
    border-radius:12px;
    background:#fff;
    box-shadow:var(--shadow-lg);
    z-index:100;
}
.create-menu a,.create-menu button{
    width:100%;
    display:grid;
    grid-template-columns:34px minmax(0,1fr);
    align-items:center;
    gap:9px;
    border:0;
    border-radius:9px;
    background:#fff;
    color:var(--text);
    padding:10px;
    text-align:left;
}
.create-menu a:hover,.create-menu button:hover{background:var(--surface-soft)}
.create-menu .icon{color:var(--brand)}
.create-menu strong,.create-menu small{display:block}
.create-menu small{margin-top:2px;color:var(--muted);font-size:11px}
.profile-dropdown summary{display:flex;align-items:center;gap:7px}
.user-avatar{
    width:38px;height:38px;display:grid;place-items:center;
    border-radius:50%;background:#dbeafe;color:#174ea6;
    font-weight:900;border:2px solid #fff;box-shadow:0 0 0 1px var(--border);
}
.profile-menu{width:260px}
.profile-menu-head{padding:10px;border-bottom:1px solid var(--border);margin-bottom:5px}
.profile-menu-head strong,.profile-menu-head small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.profile-menu-head small{color:var(--muted);margin-top:2px}
.profile-menu a,.profile-menu button{
    width:100%;display:flex;align-items:center;gap:9px;
    padding:10px;border:0;border-radius:8px;background:#fff;text-align:left;color:#34435e;
}
.profile-menu a:hover,.profile-menu button:hover{background:var(--surface-soft)}
.content-wrap{padding:28px 30px 42px;min-width:0}

/* Common content */
.page-title{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:20px;
    margin-bottom:24px;
}
.page-title h1{
    margin:0;
    font-size:31px;
    line-height:1.15;
    letter-spacing:-.035em;
}
.page-title p{margin:6px 0 0;color:var(--muted);font-size:14px}
.page-title .actions{justify-content:flex-end}
.card{
    min-width:0;
    background:#fff;
    border:1px solid var(--border);
    border-radius:12px;
    padding:20px;
    box-shadow:0 1px 2px rgba(22,35,58,.02);
}
.card h2,.card h3{margin-top:0}
.grid{display:grid;gap:18px}
.two-col{grid-template-columns:minmax(0,1fr) 360px;align-items:start}
.details-grid{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:18px;align-items:start}
.panel-stack{display:grid;gap:18px}
.section-header{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-bottom:14px;
}
.section-header h2{margin:0;font-size:17px}
.section-link{color:var(--brand);font-weight:750;font-size:12px}
.empty-state{padding:34px 18px;text-align:center;color:var(--muted)}
.setup-list,.item-list{display:grid;gap:8px}
.setup-list>div,.item-row{
    min-width:0;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
    gap:12px;
    padding:11px 12px;
    border:1px solid var(--border);
    border-radius:9px;
    background:#fff;
}
.item-row-main{min-width:0}
.item-title,.item-subtitle{display:block;overflow-wrap:anywhere}
.item-title{font-weight:800}
.item-subtitle{margin-top:3px;color:var(--muted);font-size:12px}
.item-meta{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}
.table-shell{overflow:auto}
.table{
    width:100%;
    border-collapse:collapse;
    table-layout:auto;
}
.table th,.table td{
    padding:11px 10px;
    text-align:left;
    vertical-align:middle;
    border-bottom:1px solid var(--border);
}
.table th{
    color:#75829a;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:.035em;
    font-weight:800;
}
.table td{overflow-wrap:anywhere}
.table tbody tr:hover{background:#fafcff}
.table-actions{display:flex;gap:6px;justify-content:flex-end}

/* Mockup-style dashboard */
.metric-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:16px;
    margin-bottom:18px;
}
.metric-card{
    min-height:132px;
    display:grid;
    grid-template-columns:auto minmax(0,1fr);
    align-items:start;
    gap:13px;
    position:relative;
    overflow:hidden;
}
.metric-icon{
    width:48px;height:48px;border-radius:12px;
    display:grid;place-items:center;
    background:var(--brand-soft);color:var(--brand);
}
.metric-icon.orange{background:var(--orange-soft);color:#e47b00}
.metric-icon.purple{background:#f3e8ff;color:#7c3aed}
.metric-icon.green{background:var(--green-soft);color:var(--green)}
.metric-content span{display:block;color:#44526c;font-weight:700}
.metric-value{font-size:28px;font-weight:900;letter-spacing:-.035em;margin-top:3px}
.metric-foot{position:absolute;left:20px;right:20px;bottom:16px;color:var(--muted);font-size:11px;font-weight:700}
.dashboard-main-grid{
    display:grid;
    grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);
    gap:18px;
    margin-bottom:18px;
}
.task-list,.activity-list,.event-list{display:grid}
.task-row{
    display:grid;
    grid-template-columns:24px minmax(0,1fr) auto auto;
    gap:10px;
    align-items:center;
    padding:12px 0;
    border-bottom:1px solid var(--border);
}
.task-row:last-child{border-bottom:0}
.task-check{
    width:20px;height:20px;border:1.5px solid #cbd5e1;border-radius:50%;
}
.task-name strong,.task-name small{display:block}
.task-name small{color:var(--muted);margin-top:2px}
.activity-row{
    display:grid;
    grid-template-columns:38px minmax(0,1fr) auto;
    gap:10px;
    align-items:start;
    padding:10px 0;
}
.activity-row+.activity-row{border-top:1px solid var(--border)}
.activity-icon{
    width:34px;height:34px;border-radius:9px;
    display:grid;place-items:center;
    color:var(--brand);background:var(--brand-soft);
}
.activity-row strong,.activity-row span{display:block}
.activity-row span,.activity-row time{color:var(--muted);font-size:11px}
.activity-row time{white-space:nowrap}
.dashboard-bottom-grid{
    display:grid;
    grid-template-columns:300px minmax(0,1fr) 300px;
    gap:18px;
}
.event-row{
    display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;
    padding:10px 0;
}
.event-row+.event-row{border-top:1px solid var(--border)}
.event-date{
    border:1px solid var(--border);border-radius:8px;text-align:center;overflow:hidden;
}
.event-date strong,.event-date small{display:block}
.event-date small{background:#fff1f2;color:#e11d48;font-size:9px;font-weight:900}
.event-date strong{padding:5px;font-size:15px}
.favorite-board-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.favorite-board{
    border:1px solid var(--border);
    border-radius:10px;
    overflow:hidden;
    min-width:0;
}
.favorite-board-cover{
    height:88px;
    display:grid;
    place-items:center;
    color:#fff;
    background:linear-gradient(135deg,#8054f6,#5d2bd6);
}
.favorite-board:nth-child(2) .favorite-board-cover{background:linear-gradient(135deg,#11a965,#008b4c)}
.favorite-board:nth-child(3) .favorite-board-cover{background:linear-gradient(135deg,#2684ff,#1258dd)}
.favorite-board-body{padding:11px}
.favorite-board-body strong,.favorite-board-body small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.favorite-board-body small{color:var(--muted);margin-top:3px}
.storage-widget .storage-number{font-size:22px;font-weight:900;margin:12px 0 8px}

/* Workspace and boards */
.workspace-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.workspace-card{
    min-width:0;border:1px solid var(--border);border-radius:11px;background:#fff;padding:16px;
}
.workspace-card h3,.workspace-card p{overflow-wrap:anywhere}
.workspace-card h3{margin:0 0 7px}
.workspace-card p{margin:0 0 14px;color:var(--muted)}
.workspace-card-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.kanban{
    display:grid;
    grid-template-columns:repeat(4,minmax(270px,1fr));
    gap:14px;
    overflow-x:auto;
    align-items:start;
    padding-bottom:8px;
}
.kanban-list{
    min-width:270px;
    padding:12px;
    background:#f1f4f8;
    border:1px solid var(--border);
    border-radius:11px;
}
.kanban-list.drag-over{outline:3px solid rgba(20,99,255,.14);background:var(--brand-soft)}
.kanban-list-head{display:flex;align-items:center;gap:7px;margin-bottom:10px}
.kanban-list-head h3{margin:0;flex:1;font-size:14px;overflow-wrap:anywhere}
.drag-handle{color:#8d99ac;cursor:grab}
.card-stack{min-height:42px}
.kanban-card{
    display:block;
    margin:8px 0;
    padding:12px;
    border:1px solid var(--border);
    border-radius:9px;
    background:#fff;
    box-shadow:0 3px 10px rgba(22,35,58,.04);
    cursor:grab;
}
.kanban-card.dragging{opacity:.45}
.kanban-card h4{margin:0;overflow-wrap:anywhere}
.kanban-card p{
    color:var(--muted);font-size:12px;margin:7px 0;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:5px;flex-wrap:wrap;margin-top:9px}
.priority-low{background:var(--green-soft);color:#15803d}
.priority-normal{background:var(--brand-soft);color:#1d4ed8}
.priority-high{background:var(--orange-soft);color:#b45309}
.priority-urgent{background:var(--red-soft);color:#be123c}
.due-overdue{color:#be123c;font-weight:850}
.checklist{padding:14px;border:1px solid var(--border);border-radius:10px;background:#fff}
.checklist-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.checklist-items{display:grid;gap:7px;margin-top:11px}
.checklist-item{
    display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px;align-items:center;
    padding:8px;border-radius:8px;background:var(--surface-soft);
}
.checklist-item.done span{text-decoration:line-through;color:#94a3b8}

/* Files - mockup-aligned three column workspace */
.files-layout{
    display:grid;
    grid-template-columns:150px minmax(0,1fr) 310px;
    gap:16px;
    align-items:start;
}
.file-sidebar{
    border-right:1px solid var(--border);
    padding-right:14px;
}
.file-sidebar nav{display:grid;gap:4px}
.file-sidebar a{
    display:flex;align-items:center;gap:8px;
    min-height:38px;padding:8px 9px;border-radius:8px;color:#48566e;font-weight:700;
}
.file-sidebar a.active,.file-sidebar a:hover{background:var(--brand-soft);color:var(--brand)}
.file-toolbar{
    display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:15px;
}
.file-toolbar .file-search{margin-right:auto;min-width:240px}
.folder-strip{
    display:grid;
    grid-template-columns:repeat(5,minmax(130px,1fr));
    gap:10px;
    overflow:auto;
    margin-bottom:16px;
}
.folder-card{
    min-width:130px;padding:14px;border:1px solid var(--border);border-radius:10px;background:#fff;
}
.folder-card .folder-icon{width:42px;height:34px;color:var(--brand);margin-bottom:9px}
.folder-card strong,.folder-card small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.folder-card small{color:var(--muted);margin-top:3px}
.file-table .file-name-cell{display:flex;align-items:center;gap:9px;min-width:220px}
.file-type-icon{
    width:34px;height:34px;border-radius:8px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);
}
.file-row-selected{background:var(--brand-soft)!important}
.file-preview-panel{position:sticky;top:calc(var(--topbar) + 16px)}
.preview-tabs{display:flex;gap:20px;border-bottom:1px solid var(--border);margin:0 -20px 16px;padding:0 20px}
.preview-tab{padding:0 0 10px;color:var(--muted);font-weight:750;border-bottom:2px solid transparent}
.preview-tab.active{color:var(--brand);border-color:var(--brand)}
.preview-cover{
    min-height:210px;display:grid;place-items:center;border:1px solid var(--border);
    border-radius:10px;background:linear-gradient(145deg,#f8fbff,#eef2ff);overflow:hidden;
}
.preview-cover img{width:100%;height:210px;object-fit:contain}
.preview-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:13px 0}
.preview-action{
    border:0;background:#fff;color:#5c6a80;text-align:center;padding:6px;border-radius:8px;font-size:10px;
}
.preview-action .icon{margin:0 auto 4px}
.file-detail-list{display:grid;gap:10px}
.file-detail-row{display:flex;justify-content:space-between;gap:15px}
.file-detail-row span:first-child{color:var(--muted)}
.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.file-tile{min-width:0;border:1px solid var(--border);border-radius:10px;background:#fff;padding:14px}
.file-tile strong,.file-tile span{display:block;overflow-wrap:anywhere}
.file-icon{font-size:32px}
.pdf-preview-shell{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#242b38}
.pdf-frame,.viewer-frame{width:100%;height:78vh;min-height:650px;border:0;background:#fff}
.image-preview{display:block;max-height:78vh;margin:auto;border-radius:8px}
.code-preview{max-height:78vh;overflow:auto;padding:18px;border-radius:9px;background:#0f172a;color:#e2e8f0;white-space:pre-wrap}
.share-link{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;padding:9px;border:1px solid var(--border);border-radius:9px}
.share-link code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* People */
.people-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}
.people-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}
.member-cell{display:flex;align-items:center;gap:10px}
.member-avatar{
    width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
    background:#e0e7ff;color:#4338ca;font-weight:900;
}
.member-cell strong,.member-cell small{display:block}
.member-cell small{color:var(--muted)}
.invitation-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:11px;border:1px solid var(--border);border-radius:9px}

/* Settings */
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:18px}
.tab{border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 12px;font-weight:750}
.tab.active{background:var(--brand-soft);border-color:#bfd3ff;color:var(--brand)}
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.setup-list>div strong{text-align:right}

/* Platform admin */
.platform-banner{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    margin-bottom:18px;padding:14px 16px;border:1px solid #d9e5ff;border-radius:11px;background:var(--brand-soft);
}
.platform-nav{
    display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px;
}
.platform-nav a{padding:8px 12px;border-radius:8px;color:#506079;font-weight:750}
.platform-nav a.active,.platform-nav a:hover{background:#fff;color:var(--brand);box-shadow:0 0 0 1px var(--border)}
.platform-dashboard-grid{
    display:grid;
    grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);
    gap:18px;
}
.admin-controls{display:grid;gap:10px}
.admin-control-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}
.health-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.health-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid var(--border);border-radius:10px}

/* Office */
.office-shell{
    height:calc(100vh - var(--topbar) - 95px);
    min-height:660px;
    border:1px solid var(--border);
    border-radius:10px;
    overflow:hidden;
    background:#fff;
}
.office-editor{width:100%;height:100%}
.office-status-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 13px;border:1px solid var(--border);border-radius:9px;background:#fff;margin-bottom:12px;
}

/* Modal */
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:18px}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,28,51,.52);backdrop-filter:blur(2px)}
.modal-card{
    position:relative;
    width:min(560px,100%);
    max-height:calc(100vh - 36px);
    overflow:auto;
    background:#fff;
    border:1px solid var(--border);
    border-radius:15px;
    box-shadow:var(--shadow-lg);
    padding:20px;
}
.modal-card>header{
    display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px;
}
.modal-card h2{margin:0;font-size:20px}
.modal-card header p{margin:4px 0 0;color:var(--muted)}
.modal-card footer{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}

/* Public share */
.public-share-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--page)}
.public-share-card{width:min(1100px,100%);padding:24px;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:var(--shadow)}

/* Responsive */
.sidebar-backdrop{display:none}
@media(max-width:1250px){
    .dashboard-bottom-grid{grid-template-columns:1fr 1fr}
    .dashboard-bottom-grid>.card:last-child{grid-column:1/-1}
    .files-layout{grid-template-columns:130px minmax(0,1fr)}
    .file-preview-panel{grid-column:1/-1;position:static}
    .folder-strip{grid-template-columns:repeat(5,150px)}
}
@media(max-width:1050px){
    .app-shell{grid-template-columns:1fr}
    .sidebar{
        position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);
        transform:translateX(-105%);transition:.2s ease;box-shadow:var(--shadow-lg);
    }
    .sidebar.open{transform:translateX(0)}
    .sidebar-backdrop.open{display:block;position:fixed;inset:0;background:rgba(15,28,51,.45);z-index:35}
    .mobile-menu-button{display:grid}
    .topbar{padding:0 18px}
    .global-search{width:min(480px,50vw)}
    .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .dashboard-main-grid,.two-col,.details-grid,.people-grid,.settings-grid,.platform-dashboard-grid{grid-template-columns:1fr}
    .dashboard-bottom-grid{grid-template-columns:1fr}
    .dashboard-bottom-grid>.card:last-child{grid-column:auto}
}
@media(max-width:760px){
    :root{--topbar:64px}
    .topbar{height:auto;min-height:var(--topbar);flex-wrap:wrap;padding:10px 12px}
    .global-search{order:4;width:100%}
    .content-wrap{padding:20px 13px 32px}
    .page-title{display:block}
    .page-title .actions{margin-top:14px;justify-content:flex-start}
    .page-title h1{font-size:26px}
    .metric-grid,.people-kpis,.health-grid{grid-template-columns:1fr}
    .favorite-board-grid{grid-template-columns:1fr}
    .task-row{grid-template-columns:22px minmax(0,1fr)}
    .task-row>.badge,.task-row>time{grid-column:2}
    .files-layout{grid-template-columns:1fr}
    .file-sidebar{border-right:0;border-bottom:1px solid var(--border);padding:0 0 10px}
    .file-sidebar nav{display:flex;overflow:auto}
    .file-sidebar a{white-space:nowrap}
    .folder-strip{grid-template-columns:repeat(5,145px)}
    .form-columns{grid-template-columns:1fr}
    .create-button span{display:none}
    .create-button{min-width:42px;padding:9px}
    .notification-button{display:none}
    .profile-dropdown summary>.icon{display:none}
    .table th,.table td{padding:9px 7px}
}

/* v1.5 completion helpers */
.crumbs{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:7px;color:var(--muted);font-size:12px;font-weight:750}
.crumbs a:hover{color:var(--brand)}
.metric-value.small-value{font-size:20px;line-height:1.2;overflow-wrap:anywhere}
.empty-icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin:0 auto 14px;background:var(--brand-soft);color:var(--brand)}
.field-help{display:block;margin-top:4px;color:var(--muted);font-size:12px;font-weight:500}
#office-shell:fullscreen{border-radius:0;height:100vh}
#office-shell:fullscreen .office-editor{height:100vh}


/* v1.5 team workspace access editor */
.tag-list{display:flex;gap:6px;flex-wrap:wrap;min-width:0}
.access-editor{position:relative}
.access-editor>summary{list-style:none;white-space:nowrap}
.access-editor>summary::-webkit-details-marker{display:none}
.access-editor[open]>form{
    position:absolute;
    z-index:40;
    right:0;
    top:calc(100% + 8px);
    width:min(340px,85vw);
    padding:16px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:18px;
    box-shadow:0 20px 50px rgba(15,23,42,.16);
    display:grid;
    gap:12px;
}
.access-editor-list{display:grid;gap:8px;max-height:240px;overflow:auto;padding-right:4px}
@media(max-width:760px){.access-editor[open]>form{position:fixed;left:14px;right:14px;top:20%;width:auto}}


/* v1.5 dedicated platform administration shell */
.sidebar-section-label{margin:8px 10px 10px;color:#94a3b8;font-size:11px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}
.sidebar-back-link{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);border-radius:15px;color:#475569;font-weight:850;background:#fff}
.sidebar-back-link:hover{color:var(--brand);border-color:rgba(20,99,255,.32)}


/* v1.6 core internal chat */
.nav-badge{margin-left:auto;min-width:20px;height:20px;padding:0 6px;border-radius:999px;display:inline-grid;place-items:center;background:var(--brand);color:#fff;font-size:10px;font-weight:900}
.chat-page-title{margin-bottom:16px}
.chat-shell{display:grid;grid-template-columns:270px minmax(420px,1fr) 270px;gap:14px;height:calc(100vh - var(--topbar) - 145px);min-height:650px}
.chat-shell>.card{padding:0;overflow:hidden;min-width:0}
.chat-conversations{display:flex;flex-direction:column}
.chat-search{display:flex;align-items:center;gap:8px;padding:13px;border-bottom:1px solid var(--border)}
.chat-search input{border:0;background:var(--surface-soft);height:38px;width:100%;padding:0 10px;border-radius:9px}
.chat-list-heading{display:flex;justify-content:space-between;align-items:center;padding:15px 14px 7px;color:#64748b;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.chat-list-heading small{font-size:10px}
.chat-conversation-list{display:grid;gap:3px;padding:0 8px 8px}
.chat-conversation-list>a{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;gap:8px;padding:9px;border-radius:10px;color:#4b5870}
.chat-conversation-list>a:hover,.chat-conversation-list>a.active{background:var(--brand-soft);color:var(--brand)}
.chat-conversation-icon{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:#f1f5f9;font-weight:900}
.chat-conversation-name{min-width:0}
.chat-conversation-name strong,.chat-conversation-name small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-conversation-name small{margin-top:2px;color:#94a3b8;font-size:10px}
.chat-empty-copy{padding:4px 10px 12px;font-size:12px}
.member-avatar.small{width:28px;height:28px;font-size:11px}
.chat-main{display:flex;flex-direction:column;background:#fff}
.chat-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 17px;border-bottom:1px solid var(--border)}
.chat-header h2{margin:0;font-size:18px}
.chat-header p{margin:3px 0 0;color:var(--muted);font-size:12px}
.chat-message-list{flex:1;overflow:auto;padding:18px 18px 8px;scroll-behavior:smooth;background:linear-gradient(180deg,#fff,#fbfcff)}
.chat-message{position:relative;display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:10px;padding:8px 4px;margin-bottom:4px;border-radius:10px}
.chat-message:hover{background:#f8fafc}
.chat-avatar{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#e0e7ff;color:#4338ca;font-weight:900}
.chat-message.mine .chat-avatar{background:#dbeafe;color:#1d4ed8}
.chat-message-meta{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.chat-message-meta time,.chat-message-meta small{color:#94a3b8;font-size:10px}
.chat-message-body{color:#25334a;line-height:1.55;overflow-wrap:anywhere}
.chat-deleted{margin:0;color:#94a3b8;font-style:italic}
.chat-reply-preview{display:grid;margin-bottom:6px;padding:7px 9px;border-left:3px solid #93c5fd;border-radius:0 8px 8px 0;background:#f1f5f9;font-size:11px}
.chat-reply-preview span{color:#64748b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-message-actions{position:relative;opacity:0}
.chat-message:hover .chat-message-actions,.chat-message-actions[open]{opacity:1}
.chat-message-actions>summary{list-style:none;cursor:pointer;color:#64748b;padding:3px 6px}
.chat-message-actions>summary::-webkit-details-marker{display:none}
.chat-message-actions>div{position:absolute;right:0;top:24px;z-index:20;width:230px;padding:10px;background:#fff;border:1px solid var(--border);border-radius:11px;box-shadow:var(--shadow);display:grid;gap:8px}
.chat-message-actions textarea{width:100%;min-height:80px}
.chat-message-actions details>summary{cursor:pointer;font-weight:750;margin-bottom:7px}
.danger-link{border:0;background:none;color:#dc2626;padding:5px 0;font-weight:750;cursor:pointer}
.chat-attachment{max-width:430px;margin-top:8px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}
.chat-attachment img{display:block;max-width:100%;max-height:260px;margin:auto;object-fit:contain}
.chat-attachment-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px;align-items:center;padding:9px}
.chat-attachment-row span strong,.chat-attachment-row span small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-attachment-row span small{color:var(--muted)}
.chat-composer{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:end;gap:8px;padding:12px;border-top:1px solid var(--border);background:#fff}
.chat-composer textarea{min-height:44px;max-height:140px;resize:vertical;padding:11px 12px;border-radius:11px}
.chat-attach-button{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:var(--surface-soft);color:#64748b;cursor:pointer}
.chat-send-button{height:42px}
.chat-file-name{position:absolute;left:62px;bottom:2px;color:var(--brand);font-size:10px}
.chat-members{padding:16px!important;overflow:auto!important}
.chat-member-list{display:grid;gap:6px}
.chat-member-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:8px;align-items:center;padding:8px;border-radius:9px}
.chat-member-row:hover{background:var(--surface-soft)}
.chat-member-row strong,.chat-member-row small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-member-row small{color:var(--muted);font-size:10px}
.presence-dot{width:9px;height:9px;border-radius:50%;background:#cbd5e1}.presence-dot.online{background:#22c55e;box-shadow:0 0 0 3px #dcfce7}
.chat-privacy-note{display:flex;gap:8px;margin-top:18px;padding:11px;border-radius:10px;background:#f8fafc;color:#64748b;font-size:11px;line-height:1.45}
.chat-welcome{height:100%;min-height:350px;display:grid;place-content:center;text-align:center;padding:20px;color:#64748b}
.chat-welcome-icon{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;margin:0 auto 12px;background:var(--brand-soft);color:var(--brand);font-size:26px;font-weight:900}
.chat-welcome h3{margin:0;color:#27364e}.chat-welcome p{max-width:380px}
.chat-search-result-banner{padding:8px 15px;background:#fff7ed;color:#9a3412;font-size:12px;border-bottom:1px solid #fed7aa}.chat-search-result-banner a{font-weight:800;text-decoration:underline}
.compact{padding:6px 9px!important;font-size:11px!important;min-height:auto!important}
@media(max-width:1250px){.chat-shell{grid-template-columns:245px minmax(380px,1fr)}.chat-members{display:none}}
@media(max-width:800px){.chat-shell{display:block;height:auto;min-height:0}.chat-conversations{margin-bottom:12px;max-height:320px;overflow:auto}.chat-main{min-height:680px}.chat-message-list{min-height:470px}.chat-page-title .actions{display:flex}.chat-send-button span{display:none}}

.chat-channel-settings{margin-top:12px;border-top:1px solid var(--border);padding-top:10px}
.chat-channel-settings>summary{cursor:pointer;font-weight:800;color:#475569;padding:6px 0}
.chat-channel-settings form{margin-top:9px}
.chat-composer-reply{position:absolute;left:62px;right:90px;bottom:62px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border:1px solid #bfdbfe;border-radius:9px;background:#eff6ff;box-shadow:var(--shadow)}
.chat-composer-reply[hidden]{display:none}
.chat-composer-reply span strong,.chat-composer-reply span small{display:block}.chat-composer-reply span small{color:#64748b}
.chat-composer-reply button{border:0;background:none;font-size:20px;color:#64748b;cursor:pointer}