:root {
    --primary: #0e1420;
    --secondary: #161d2b;
    --accent: #1f6fb2;        /* logo navy blue */
    --accent-hover: #14507f;  /* darker navy on hover */
    --teal: #14b8a6;          /* logo teal/green checkmark */
    --teal-hover: #0e8c7f;
    --text-main: #e4e7ec;
    --text-muted: #8b929a;
    --border: #262e3d;
    --success: #14b8a6;
    --warning: #ff9800;
    --danger: #fa5252;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: var(--primary); color: var(--text-main); font-size: 14px; display: flex; flex-direction: column; min-height: 100vh; }

button { cursor: pointer; border: none; border-radius: 4px; padding: 6px 12px; font-weight: 500; transition: background 0.2s, color 0.2s, opacity 0.2s; }
button:hover { opacity: 0.9; }

/* ---------- LOGIN SCREEN ---------- */
#login_screen { flex-grow: 1; display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at 50% 0%, #172236 0%, #0e1420 65%); padding: 20px; }
.login-card { background: var(--secondary); border: 1px solid var(--border); border-radius: 10px; padding: 36px 34px; width: 380px; max-width: 100%; display: flex; flex-direction: column; align-items: center; gap: 14px; box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.login-card img.login-logo { width: 96px; height: 96px; object-fit: contain; border-radius: 8px; background: #f4f3f0; padding: 6px; }
.login-title { font-size: 1.3rem; font-weight: 800; color: #fff; letter-spacing: 1px; text-align: center; }
.login-subtitle { font-size: 0.8rem; color: var(--teal); font-weight: 600; text-align: center; margin-top: -8px; }
#loginForm { width: 100%; display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.login-error { color: var(--danger); font-size: 0.8rem; min-height: 16px; text-align: center; }
.login-hint { font-size: 0.7rem; color: var(--text-muted); text-align: center; line-height: 1.5; border-top: 1px dashed var(--border); padding-top: 12px; margin-top: 4px; }

/* ---------- APP SHELL ---------- */
#app_shell { display: none; flex-direction: column; flex-grow: 1; padding: 20px; }
#app_shell.active { display: flex; }
#login_screen.hidden { display: none; }

header { display: flex; align-items: center; justify-content: space-between; padding: 0 0 20px 0; border-bottom: 1px solid var(--border); margin-bottom: 20px; gap: 20px; flex-wrap: wrap; }

.brand-container { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-logo-img { width: 52px; height: 52px; object-fit: contain; border-radius: 8px; background: #f4f3f0; padding: 4px; flex-shrink: 0; }
.app-title-group { display: flex; flex-direction: column; }
.app-name { font-size: 1.4rem; font-weight: 800; color: var(--text-main, #ffffff); text-transform: uppercase; letter-spacing: 1.5px; }
.creator-tag { font-size: 0.85rem; color: var(--teal); font-weight: 500; margin-top: -2px; }

.global-actions { display: flex; gap: 10px; flex-shrink: 0; align-items: center; flex-wrap: wrap; }
.user-chip { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 20px; padding: 4px 12px 4px 4px; }
.user-avatar { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--teal)); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.8rem; color: #fff; }
.user-meta { display: flex; flex-direction: column; line-height: 1.2; }
.user-name { font-size: 0.8rem; font-weight: 600; color: var(--text-main, #fff); }
.user-role { font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.notification-button { display: inline-flex; align-items: center; gap: 7px; }
.notification-count { min-width: 18px; height: 18px; border-radius: 10px; background: var(--danger); color: #fff; align-items: center; justify-content: center; font-size: 0.65rem; font-weight: 800; }

.btn-header { background: var(--secondary); color: var(--text-main); border: 1px solid var(--border); }
.btn-header:hover { background: var(--accent); color: white; border-color: transparent; }
.btn-primary { background-color: var(--accent); color: white; }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-secondary { background-color: var(--border); color: white; }
.btn-danger { background: rgba(250, 82, 82, 0.1); color: #fa5252; border: 1px solid rgba(250, 82, 82, 0.2); }
.btn-danger:hover { background: #fa5252; color: white; }
.btn-sm { padding: 3px 8px; font-size: 0.75rem; }

.tab-bar { display: flex; gap: 8px; margin-bottom: 20px; }
.tab-btn { background: var(--secondary); border: 1px solid var(--border); color: var(--text-muted); padding: 8px 16px; border-radius: 6px; font-weight: 600; font-size: 0.85rem; }
.tab-btn.active { background: var(--accent); color: #fff; border-color: transparent; }

main { flex-grow: 1; display: grid; grid-template-columns: minmax(320px, 380px) 1fr; gap: 20px; }
@media (max-width: 992px) { main { grid-template-columns: 1fr; } }

.form-section, .dashboard-section { display: flex; flex-direction: column; gap: 20px; }

.panel { background-color: var(--secondary); border: 1px solid var(--border); border-radius: 6px; padding: 16px; display: flex; flex-direction: column; width: 100%; box-sizing: border-box; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); font-size: 0.95rem; font-weight: 600; color: #fff; }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; width: 100%; min-width: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; }
label { color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; }
input, select, textarea { background-color: rgba(0, 0, 0, 0.2); border: 1px solid var(--border); color: #f8f9fa; border-radius: 4px; padding: 8px 10px; font-size: 0.85rem; width: 100%; box-sizing: border-box; }
textarea { resize: vertical; min-height: 60px; font-family: inherit; }
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent); border-color: transparent; }
input:disabled, select:disabled { opacity: 0.5; cursor: not-allowed; }

.summary-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 600px) { .summary-stats { grid-template-columns: 1fr; } }
.stat-card { background: rgba(0, 0, 0, 0.15); border: 1px solid var(--border); border-radius: 4px; padding: 12px; display: flex; flex-direction: column; gap: 4px; }
.stat-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; }
.stat-value { font-size: 1.1rem; font-weight: 700; color: #fff; }
.stat-alert { border-color: rgba(250, 82, 82, 0.55); background: rgba(250, 82, 82, 0.08); }

.project-list { display: flex; flex-direction: column; gap: 10px; margin-top: 5px; }
.empty-state { text-align: center; color: var(--text-muted); padding: 30px 0; border: 2px dashed var(--border); border-radius: 6px; }
.comment-mentioned { border-left: 4px solid #ef4444; background: rgba(239, 68, 68, 0.12); box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.3); }
.mention-tag { display: inline-block; padding: 0 6px; border-radius: 4px; background: rgba(100,181,246,0.18); color: #64b5f6; font-weight: 600; }
.mention-self { background: rgba(239,68,68,0.25); color: #ff6b6b; }
.task-focused { border-color: var(--teal) !important; box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.35); }

.proj-row-card { border-radius: 6px; border: 1px solid var(--border); background-color: rgba(0, 0, 0, 0.15); padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; transition: all 0.2s ease; gap: 15px; }
.proj-row-card:hover { background-color: rgba(31, 111, 178, 0.1); border-color: var(--accent); transform: translateX(2px); }
.proj-row-card.type-hourly { border-left: 4px solid var(--accent); }
.proj-row-card.type-fixed { border-left: 4px solid var(--warning); }
.proj-row-card.type-retainer { border-left: 4px solid #ab47bc; }
.proj-row-card.type-value { border-left: 4px solid var(--teal); }

.proj-info-group { display: flex; flex-direction: column; gap: 4px; flex-grow: 1; min-width: 0; }
.proj-row-title { font-size: 1.05rem; font-weight: 700; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.proj-row-sub { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.proj-row-meta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.detail-view-container { display: flex; flex-direction: column; gap: 20px; }
.detail-top-nav { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

.badge { font-size: 0.65rem; padding: 3px 8px; border-radius: 3px; text-transform: uppercase; font-weight: 700; display: inline-block; white-space: nowrap; }
.st-not-started { background: rgba(139, 146, 154, 0.2); color: #8b929a; }
.st-in-progress { background: rgba(31, 111, 178, 0.2); color: #4f9fdd; }
.st-blocked { background: rgba(250, 82, 82, 0.2); color: #fa5252; }
.st-cancelled { background: rgba(108, 117, 125, 0.2); color: #6c757d; }
.st-reviewing { background: rgba(255, 152, 0, 0.2); color: #ff9800; }
.st-delivered, .st-done { background: rgba(20, 184, 166, 0.2); color: #14b8a6; }
.st-on-hold { background: rgba(238, 90, 36, 0.2); color: #ee5a24; }

.role-badge { background: rgba(31, 111, 178, 0.18); color: #4f9fdd; }
.role-badge.role-admin, .role-badge.role-owner { background: rgba(250, 82, 82, 0.18); color: #ff8787; }
.role-badge.role-developer, .role-badge.role-tester { background: rgba(20, 184, 166, 0.18); color: #14b8a6; }

.deadline-badge { font-size: 0.7rem; padding: 3px 8px; border-radius: 3px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.deadline-badge.normal { background: rgba(31, 111, 178, 0.15); color: #64b5f6; border: 1px solid rgba(31, 111, 178, 0.3); }
.deadline-badge.today { background: rgba(255, 152, 0, 0.2); color: #ffb74d; border: 1px solid rgba(255, 152, 0, 0.4); }
.deadline-badge.delayed { background: rgba(250, 82, 82, 0.2); color: #ff6b6b; border: 1px solid rgba(250, 82, 82, 0.4); }
.deadline-badge.done { background: rgba(20, 184, 166, 0.15); color: #57d9c7; border: 1px solid rgba(20, 184, 166, 0.3); }

.task-list { display: flex; flex-direction: column; gap: 10px; background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: 4px; padding: 12px; }
.task-list-title { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; color: var(--text-muted); border-bottom: 1px solid var(--border); padding-bottom: 6px; display: flex; justify-content: space-between; align-items: center; }

.task-item { background: var(--secondary); border: 1px solid var(--border); border-radius: 4px; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.task-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.task-title { font-weight: 600; color: #fff; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.task-ctrls { display: flex; gap: 6px; }
.task-comment { font-size: 0.8rem; color: var(--text-muted); background: rgba(0,0,0,0.15); padding: 4px 8px; border-radius: 3px; font-style: italic; }
.task-assignee { font-size: 0.7rem; color: var(--teal); font-weight: 600; }
.task-flags { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.priority-chip, .dependency-label, .blocker-label, .overdue-label { display: inline-flex; align-items: center; border-radius: 3px; padding: 3px 7px; font-size: 0.65rem; font-weight: 700; }
.priority-critical { background: rgba(250, 82, 82, 0.2); color: #ff8787; }
.priority-high { background: rgba(255, 152, 0, 0.2); color: #ffb74d; }
.priority-medium { background: rgba(31, 111, 178, 0.2); color: #64b5f6; }
.priority-low { background: rgba(139, 146, 154, 0.2); color: #b0b7bf; }
.dependency-label { background: rgba(171, 71, 188, 0.2); color: #ce93d8; }
.blocker-label, .overdue-label { background: rgba(250, 82, 82, 0.18); color: #ff8787; }
.blocker-button { align-self: flex-start; }

.view-toggle { display: flex; gap: 5px; }
.monitor-toolbar { display: grid; grid-template-columns: minmax(180px, 1.5fr) repeat(3, minmax(120px, 1fr)) auto; gap: 8px; margin-bottom: 14px; }
.monitor-toolbar input, .monitor-toolbar select { min-width: 0; }
.kanban-board { display: grid; grid-template-columns: repeat(6, minmax(150px, 1fr)); gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.kanban-column { min-height: 230px; background: rgba(0,0,0,0.16); border: 1px solid var(--border); border-radius: 5px; padding: 9px; }
.kanban-column-title { display: flex; justify-content: space-between; color: var(--text-muted); border-bottom: 1px solid var(--border); padding-bottom: 7px; margin-bottom: 8px; font-size: 0.7rem; font-weight: 800; text-transform: uppercase; }
.kanban-task { background: var(--secondary); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 4px; padding: 9px; margin-bottom: 8px; cursor: grab; }
.kanban-task:active { cursor: grabbing; }
.kanban-task-title { color: #fff; font-size: 0.8rem; font-weight: 700; line-height: 1.3; margin-bottom: 7px; }
.kanban-task-meta { display: flex; justify-content: space-between; align-items: center; gap: 5px; color: var(--text-muted); font-size: 0.65rem; margin-top: 5px; }
.kanban-empty { color: var(--text-muted); font-size: 0.75rem; font-style: italic; padding: 12px 2px; }
.monitor-panels { display: grid; grid-template-columns: 1fr 1.5fr; gap: 12px; margin-top: 14px; }
.monitor-panel { background: rgba(0,0,0,0.14); border: 1px solid var(--border); border-radius: 5px; padding: 12px; min-width: 0; }
.monitor-panel-title { color: #fff; font-size: 0.78rem; font-weight: 800; text-transform: uppercase; border-bottom: 1px solid var(--border); padding-bottom: 7px; margin-bottom: 8px; }
.workload-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(38,46,61,0.7); color: var(--text-main); font-size: 0.8rem; }
.workload-row strong { color: var(--teal); }
.activity-list { display: flex; flex-direction: column; gap: 9px; }
.activity-row { display: flex; gap: 8px; align-items: flex-start; font-size: 0.78rem; }
.activity-row strong { display: block; color: var(--text-main); font-weight: 500; }
.activity-row small { display: block; color: var(--text-muted); margin-top: 2px; font-size: 0.68rem; }
.activity-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); margin-top: 5px; flex-shrink: 0; }
.notification-list { display: flex; flex-direction: column; gap: 7px; max-height: 340px; overflow-y: auto; }
.notification-item { display: flex; flex-direction: column; gap: 3px; padding: 9px; border: 1px solid var(--border); border-radius: 4px; color: var(--text-main); }
.notification-item.unread { border-left: 3px solid var(--teal); background: rgba(20, 184, 166, 0.08); }
.notification-item strong { font-size: 0.8rem; font-weight: 600; }
.notification-item small { color: var(--text-muted); font-size: 0.68rem; }

.comment-history-panel { background: rgba(0, 0, 0, 0.15); border: 1px solid var(--border); border-radius: 4px; padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.comment-history-title { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; color: var(--text-muted); border-bottom: 1px solid var(--border); padding-bottom: 6px; display: flex; justify-content: space-between; align-items: center; }
.comment-history-list { display: flex; flex-direction: column; gap: 8px; max-height: 200px; overflow-y: auto; }
.comment-item { background: var(--secondary); border: 1px solid var(--border); border-radius: 4px; padding: 8px 10px; display: flex; flex-direction: column; gap: 3px; font-size: 0.85rem; }
.comment-time { font-size: 0.7rem; color: var(--text-muted); font-weight: 600; }
.comment-text { color: var(--text-main); white-space: pre-wrap; word-break: break-word; }
.comment-reply { align-self: flex-start; margin-top: 4px; }
.comment-compose { display: flex; gap: 8px; align-items: flex-start; }
.mention-input-wrap { position: relative; flex-grow: 1; }
.mention-suggestions { display: none; position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 20; flex-direction: column; gap: 2px; padding: 4px; background: var(--secondary); border: 1px solid var(--border); border-radius: 4px; box-shadow: 0 8px 20px rgba(0,0,0,0.35); }
.mention-suggestion { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; background: transparent; color: var(--text-main); text-align: left; padding: 7px 8px; }
.mention-suggestion:hover { background: rgba(31,111,178,0.2); }
.mention-suggestion strong { color: #64b5f6; font-size: 0.78rem; }
.mention-suggestion small { color: var(--text-muted); font-size: 0.7rem; }
.communication-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.finance-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.communication-list { display: flex; flex-direction: column; gap: 7px; max-height: 240px; overflow-y: auto; }
.communication-item { display: flex; flex-direction: column; gap: 4px; padding: 8px; border: 1px solid var(--border); border-radius: 4px; background: rgba(0,0,0,0.12); }
.communication-item strong { color: #fff; font-size: 0.8rem; }
.communication-item span { color: var(--text-main); font-size: 0.78rem; white-space: pre-wrap; word-break: break-word; }
.communication-item small { color: var(--text-muted); font-size: 0.68rem; }
.communication-item a { color: #64b5f6; font-size: 0.8rem; font-weight: 600; word-break: break-all; }
.finance-item { display: flex; flex-direction: column; gap: 6px; padding: 8px; border: 1px solid var(--border); border-radius: 4px; background: rgba(0,0,0,0.12); }
.finance-item-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.finance-item strong { color: #fff; font-size: 0.8rem; }
.finance-item small { color: var(--text-muted); font-size: 0.68rem; }
.finance-item span { color: var(--text-main); font-size: 0.78rem; }
.sdlc-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.task-sdlc-list { display: flex; flex-direction: column; gap: 5px; padding: 8px; background: rgba(0,0,0,0.12); border: 1px solid var(--border); border-radius: 4px; font-size: 0.78rem; }
.task-sdlc-list > strong { color: var(--text-muted); text-transform: uppercase; font-size: 0.68rem; }
.task-sdlc-list > div { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.task-sdlc-list small { width: 100%; color: var(--text-muted); padding-left: 2px; }
.sdlc-status { display: inline-flex; border-radius: 3px; padding: 2px 6px; font-size: 0.62rem; font-weight: 800; text-transform: uppercase; }
.sdlc-open, .sdlc-not-run { background: rgba(255,152,0,0.18); color: #ffb74d; }
.sdlc-passed, .approval-approved { background: rgba(20,184,166,0.18); color: #57d9c7; }
.sdlc-failed, .sdlc-bug, .approval-rejected { background: rgba(250,82,82,0.18); color: #ff8787; }
.approval-pending { background: rgba(255,152,0,0.18); color: #ffb74d; }

.log-entries { display: flex; flex-direction: column; gap: 6px; padding-left: 10px; border-left: 2px solid var(--border); margin-top: 4px; }
.log-row { display: flex; justify-content: space-between; align-items: center; background: rgba(0,0,0,0.15); padding: 6px 8px; border-radius: 3px; font-size: 0.85rem; flex-wrap: wrap; gap: 6px; }
.log-info { display: flex; flex-direction: column; gap: 2px; }
.log-comment { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }
.log-time { color: var(--text-muted); font-size: 0.75rem; }

.proj-metrics { display: flex; justify-content: space-around; background: rgba(0,0,0,0.2); border-radius: 4px; padding: 12px; border: 1px solid var(--border); }
.metric { text-align: center; }
.metric-label { font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; }
.metric-value { font-size: 1rem; font-weight: 600; }

.data-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.data-table th, .data-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.data-table th { color: var(--text-muted); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.5px; }
.user-row-actions { display: flex; gap: 6px; }

.modal-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.7); display: flex; justify-content: center; align-items: center; z-index: 2000; visibility: hidden; opacity: 0; transition: all 0.2s; }
.modal-overlay.active { visibility: visible; opacity: 1; }
.modal { background: var(--secondary); border: 1px solid var(--border); border-radius: 6px; width: 480px; max-width: 90vw; padding: 20px; display: flex; flex-direction: column; gap: 15px; max-height: 85vh; overflow-y: auto; }
.modal-title { font-size: 1.1rem; font-weight: 700; color: #fff; }

#notification_pane { position: fixed; bottom: 20px; right: 20px; max-width: 300px; display: flex; flex-direction: column; gap: 10px; z-index: 3000; }
.notify-toast { background: var(--secondary); color: white; padding: 10px 15px; border-radius: 4px; border: 1px solid var(--border); box-shadow: 0 4px 6px rgba(0,0,0,0.3); animation: slideIn 0.3s, fadeOut 0.3s 2.7s; border-left: 4px solid; }
.notify-toast.error { border-left-color: #fa5252; }
.notify-toast.success { border-left-color: var(--teal); }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }
@media (max-width: 1100px) { .monitor-toolbar { grid-template-columns: 1fr 1fr; } .monitor-toolbar input { grid-column: 1 / -1; } .kanban-board { grid-template-columns: repeat(3, minmax(180px, 1fr)); } }
@media (max-width: 700px) { .monitor-panels, .communication-grid { grid-template-columns: 1fr; } .kanban-board { grid-template-columns: repeat(6, minmax(180px, 1fr)); } }
@media (max-width: 520px) { .comment-compose { flex-direction: column; } .comment-compose button { align-self: flex-end; } }

/* ---------- MS-CollabDash accessible responsive theme ---------- */
:root {
    color-scheme: dark;
    --primary: #0b1220;
    --secondary: #121d2f;
    --surface-raised: #18263a;
    --accent: #438df5;
    --accent-hover: #2d76df;
    --teal: #35d0bd;
    --teal-hover: #20ad9b;
    --text-main: #f0f4fa;
    --text-muted: #b6c2d2;
    --border: #34445b;
    --success: #35d0bd;
    --warning: #f4b942;
    --danger: #ff7777;
    --page-gutter: clamp(16px, 3vw, 40px);
}

:root[data-theme="light"] {
    color-scheme: light;
    --primary: #f3f6fb;
    --secondary: #ffffff;
    --surface-raised: #eaf0f8;
    --accent: #145db8;
    --accent-hover: #0d4c9c;
    --teal: #087f73;
    --teal-hover: #06675e;
    --text-main: #172438;
    --text-muted: #4b5b70;
    --border: #d0dae7;
    --success: #087f73;
    --warning: #8a5700;
    --danger: #b42332;
}

html { min-width: 320px; scroll-behavior: smooth; }
body {
    min-height: 100vh;
    background: var(--primary);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.55;
}
#app_shell { width: 100%; max-width: 1760px; margin: 0 auto; padding: var(--page-gutter); gap: 20px; }
header { align-items: center; padding-bottom: 18px; margin-bottom: 0; border-color: var(--border); }
.brand-logo-img, .login-logo { border-radius: 12px; }
.app-name { font-size: clamp(1.3rem, 2vw, 1.65rem); letter-spacing: 0.02em; }
.creator-tag, .user-role, .stat-label, .metric-label, .task-assignee, .comment-time,
.communication-item small, .finance-item small, .notification-item small { color: var(--text-muted); }
.global-actions { gap: 8px; }
.user-chip, .btn-header, .btn-primary, .btn-secondary, .btn-danger, .tab-btn,
.proj-row-card, .panel, .stat-card, .task-item, .kanban-column, .comment-history-panel,
.monitor-panel, .communication-item, .finance-item, .modal { border-radius: 12px; }
button, input, select, textarea { font: inherit; }
button { min-height: 44px; border-radius: 9px; }
.btn-sm { min-height: 36px; font-size: 0.875rem; }
input, select, textarea { min-height: 44px; padding: 10px 12px; border-radius: 9px; background-color: var(--primary); color: var(--text-main); font-size: 1rem; }
textarea { min-height: 88px; }
label { color: var(--text-muted); font-size: 0.875rem; font-weight: 650; letter-spacing: 0.035em; }
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 0.9; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible,
summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 5000; transform: translateY(-160%); padding: 10px 14px; border-radius: 8px; background: var(--accent); color: #fff; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.tab-bar { flex-wrap: wrap; gap: 10px; margin-bottom: 0; }
.tab-btn { min-width: 128px; font-size: 0.95rem; }
.tab-btn:not(.active) { color: var(--text-main); }
main#tab_workspace { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; align-content: start; }
.dashboard-section { min-width: 0; gap: 18px; }
.summary-stats { grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: 12px; }
.stat-card { min-height: 104px; justify-content: center; padding: 18px; background: var(--secondary); }
.stat-label { font-size: 0.875rem; font-weight: 650; letter-spacing: 0.04em; }
.stat-value { font-size: clamp(1.35rem, 2vw, 1.8rem); line-height: 1.2; color: var(--text-main); }
.panel { padding: clamp(16px, 2vw, 24px); background: var(--secondary); border-color: var(--border); }
.panel-header { color: var(--text-main); font-size: 1.125rem; padding-bottom: 12px; border-color: var(--border); }
.panel-subtitle { color: var(--text-muted); font-size: 0.875rem; font-weight: 400; }
.form-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); align-items: start; gap: 16px; }
.form-group { gap: 8px; margin-bottom: 14px; }
.form-row { gap: 12px; }
.empty-state { padding: 28px 20px; color: var(--text-muted); border-color: var(--border); line-height: 1.6; }
.proj-row-card { min-width: 0; background: var(--primary); border-color: var(--border); color: var(--text-main); text-align: left; }
.proj-row-card:hover { background: var(--surface-raised); transform: translateY(-1px); }
.proj-row-title, .communication-item strong, .task-title { color: var(--text-main); }
.proj-row-sub { font-size: 0.875rem; }
.badge, .deadline-badge, .priority-chip, .dependency-label, .blocker-label, .overdue-label,
.sdlc-status { font-size: 0.8125rem; line-height: 1.35; }
.st-not-started { color: var(--text-main); }
.st-in-progress, .role-badge, .priority-medium { color: #8fc2ff; }
.st-delivered, .st-done, .role-badge.role-developer, .role-badge.role-tester { color: #65e2d3; }
.st-blocked { color: #ff9696; }
.st-cancelled { color: #d5dbe4; }
.st-reviewing { color: #ffd080; }
.st-on-hold { color: #ff9878; }
:root[data-theme="light"] .st-in-progress,
:root[data-theme="light"] .role-badge,
:root[data-theme="light"] .priority-medium { color: #124c91; }
:root[data-theme="light"] .st-delivered,
:root[data-theme="light"] .st-done,
:root[data-theme="light"] .role-badge.role-developer,
:root[data-theme="light"] .role-badge.role-tester { color: #075f56; }
:root[data-theme="light"] .st-blocked,
:root[data-theme="light"] .priority-critical,
:root[data-theme="light"] .blocker-label,
:root[data-theme="light"] .overdue-label { color: #a61b29; }
:root[data-theme="light"] .st-cancelled,
:root[data-theme="light"] .priority-low { color: #4b5b70; }
:root[data-theme="light"] .st-reviewing,
:root[data-theme="light"] .st-on-hold,
:root[data-theme="light"] .priority-high,
:root[data-theme="light"] .sdlc-open,
:root[data-theme="light"] .sdlc-not-run,
:root[data-theme="light"] .approval-pending { color: #754600; }
:root[data-theme="light"] .deadline-badge.normal,
:root[data-theme="light"] .communication-item a,
:root[data-theme="light"] .mention-suggestion strong { color: #124c91; }
:root[data-theme="light"] .deadline-badge.today { color: #754600; }
:root[data-theme="light"] .deadline-badge.delayed { color: #a61b29; }
:root[data-theme="light"] .deadline-badge.done,
:root[data-theme="light"] .sdlc-passed,
:root[data-theme="light"] .approval-approved { color: #075f56; }
:root[data-theme="light"] .dependency-label { color: #6e287c; }
.monitor-toolbar { grid-template-columns: minmax(220px, 1.5fr) repeat(3, minmax(145px, 1fr)) auto; gap: 10px; }
.monitor-panels { gap: 16px; }
.monitor-panel { background: var(--primary); border-color: var(--border); padding: 16px; }
.monitor-panel-title { color: var(--text-main); font-size: 0.9rem; }
.task-list, .comment-history-panel, .communication-item, .finance-item, .monitor-panel { border-color: var(--border); }
.data-table { display: block; overflow-x: auto; }
.data-table th, .data-table td { font-size: 0.9rem; color: var(--text-main); }
.data-table th { color: var(--text-muted); }
.login-card { width: min(440px, 100%); border-radius: 18px; padding: clamp(24px, 5vw, 40px); background: var(--secondary); }
.login-title { font-size: 1.5rem; color: var(--text-main); letter-spacing: 0.01em; }
.login-subtitle { color: var(--teal); font-size: 0.95rem; }
.login-hint, .login-error { font-size: 0.875rem; color: var(--text-muted); }
.login-error { color: var(--danger); }
:root[data-theme="light"] #login_screen { background: radial-gradient(circle at 50% 0%, #e4edf9 0%, var(--primary) 68%); }
.client-project-card { width: 100%; justify-content: space-between; gap: 16px; }
.client-project-count { flex: 0 0 auto; color: var(--text-muted); font-weight: 650; }
.client-detail h2 { color: var(--text-main); font-size: clamp(1.5rem, 3vw, 2rem); }
.client-project-summary { margin-top: 4px; color: var(--text-muted); }
.client-progress { display: grid; gap: 10px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--primary); }
.client-progress progress { width: 100%; height: 12px; accent-color: var(--teal); }
.client-detail-section { display: grid; gap: 12px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--secondary); }
.client-detail-section h3 { font-size: 1.125rem; }
.client-detail-section summary { cursor: pointer; font-weight: 700; }
.client-task-list { display: grid; gap: 8px; list-style: none; }
.client-task-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 12px; border-radius: 8px; background: var(--primary); }
.client-task-deadline { color: var(--text-muted); font-size: 0.875rem; }
:is(.user-role, .proj-row-sub, .comment-time, .task-assignee, .notification-item small,
    .communication-item small, .finance-item small, .metric-label, .stat-label, .badge,
    .deadline-badge, .priority-chip, .dependency-label, .blocker-label, .overdue-label) {
    font-size: max(0.875rem, 1em);
}
:root[data-theme="light"] .stat-card,
:root[data-theme="light"] .panel,
:root[data-theme="light"] .login-card,
:root[data-theme="light"] .client-detail-section { box-shadow: 0 4px 18px rgba(24, 43, 70, 0.06); }
:root[data-theme="light"] .btn-secondary { background: #e0e8f2; color: #172438; }
:root[data-theme="light"] .btn-danger { color: #9f1725; border-color: #e7aab0; }
:root[data-theme="light"] .btn-danger:hover { color: #fff; }
:root[data-theme="light"] .notification-item,
:root[data-theme="light"] .task-item { background: var(--secondary); }

@media (max-width: 900px) {
    .global-actions { justify-content: flex-start; }
    .monitor-toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .monitor-toolbar input { grid-column: 1 / -1; }
    .monitor-toolbar button { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
    #app_shell { gap: 16px; }
    header { align-items: flex-start; }
    .brand-container { width: 100%; }
    .global-actions { width: 100%; }
    .user-chip { margin-right: auto; }
    .form-row, .monitor-toolbar { grid-template-columns: 1fr; }
    .monitor-toolbar input, .monitor-toolbar button { grid-column: auto; }
    .summary-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat-card { min-height: 92px; padding: 14px; }
    .kanban-board { grid-template-columns: repeat(6, minmax(210px, 1fr)); }
    .client-task-row { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}


/* ---------- MS-CollabDash brand identity ---------- */
:root {
    --brand-navy: #1F6FB2;
    --brand-teal: #14B8A6;
    --brand-amber: #F59E0B;
    --brand-purple: #8B5CF6;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --space-unit: 8px;
    --space-2: calc(var(--space-unit) * 2);
    --space-3: calc(var(--space-unit) * 3);
    --space-4: calc(var(--space-unit) * 4);
    --card-padding: var(--space-2);
    --section-margin: var(--space-4);
    --font-size-base: 16px;
    --font-size-heading: 1.25em;
    --hover-brightness: 1.08;
    --primary: #0F172A;
    --secondary: #1E293B;
    --surface-raised: #273449;
    --accent: #1F6FB2;
    --accent-hover: #1F6FB2;
    --teal: var(--brand-teal);
    --teal-hover: #2DD4BF;
    --purple: #A78BFA;
    --brand-amber-text: #F59E0B;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border: #334155;
    --success: var(--brand-teal);
    --warning: var(--brand-amber);
    --focus-ring: var(--brand-teal);
}
:root[data-theme="light"] {
    --primary: #F8FAFC;
    --secondary: #FFFFFF;
    --surface-raised: #EEF2F9;
    --accent: var(--brand-navy);
    --accent-hover: var(--brand-navy);
    --teal: #0F766E;
    --teal-hover: #115E59;
    --purple: #6D28D9;
    --text-main: #0F172A;
    --text-muted: #475569;
    --border: #CBD5E1;
    --focus-ring: var(--brand-navy);
    --warning: #92400E;
}

body { font-family: var(--font-sans); font-size: var(--font-size-base); line-height: 1.6; color: var(--text-main); }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, h4, .panel-title, .section-title, .login-title, .app-name { font-weight: 700; font-size: var(--font-size-heading); line-height: 1.3; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.brand-logo-img { width: auto; height: 64px; max-width: min(240px, 55vw); padding: 4px var(--space-unit); border-radius: var(--space-unit); background: #FFFFFF; object-fit: contain; }
.login-card img.login-logo { width: min(100%, 280px); height: auto; padding: var(--space-unit); border-radius: var(--space-unit); background: #FFFFFF; }

.panel, .stat-card, .client-detail-section, .task-item, .proj-row-card, .monitor-panel, .communication-item, .finance-item { padding: var(--card-padding); }
.panel, .client-detail-section { margin-bottom: var(--section-margin); }
#app_shell { gap: var(--section-margin); }
.panel, .stat-card, .login-card, .modal { background: var(--secondary); }

.btn-primary { background-color: var(--accent); color: #FFFFFF; }
.btn-header:hover { background: var(--accent); color: #FFFFFF; }
.btn-danger:hover { background: #B91C1C; color: #FFFFFF; }
.creator-tag, .login-subtitle { color: var(--teal); }
.tab-btn.active, .tab-btn[aria-selected="true"] { border-color: var(--brand-amber); }
.notification-count { background: var(--brand-amber); color: #0F172A; }
.skip-link { background: var(--brand-amber); color: #0F172A; }
progress, .client-progress progress { accent-color: var(--brand-teal); }

button, .btn-primary, .btn-secondary, .btn-header, .tab-btn, .proj-row-card, .task-item, .stat-card { transition: filter 0.15s ease, transform 0.15s ease, background-color 0.15s ease; }
button:hover:not(:disabled), .btn-primary:hover, .btn-secondary:hover, .btn-header:hover, .tab-btn:hover,
.proj-row-card:hover, .task-item:hover, .stat-card:hover { filter: brightness(var(--hover-brightness)); opacity: 1; }
:root[data-theme="light"] button:hover:not(:disabled), :root[data-theme="light"] .proj-row-card:hover,
:root[data-theme="light"] .task-item:hover, :root[data-theme="light"] .stat-card:hover { filter: brightness(1.04); }

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible,
summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }
.btn-primary:focus-visible, .tab-btn.active:focus-visible { box-shadow: 0 0 0 3px var(--secondary); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

.role-badge, .tag, .user-role { color: var(--purple); }
.btn-header:hover, .tab-btn.active { background: var(--accent); }
.login-card img.login-logo { width: min(100%, 240px); }


/* ---- Teams, To-Do, Finance, Dashboards ---- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
main.tab-panel-single { grid-template-columns: minmax(0, 1fr); align-content: start; }
.table-scroll { overflow-x: auto; }
.section-title { font-size: 1.1rem; margin: 0 0 calc(var(--space-unit) * 1.5); }
.section-hint { color: var(--text-muted); margin: 0 0 calc(var(--space-unit) * 2); }
.task-type-badge { background: transparent; border: 1px solid var(--teal); color: var(--teal); }
.task-attachments { margin-top: var(--space-unit); display: flex; flex-direction: column; gap: 4px; }
.task-attachments-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-unit); }
.task-attachments ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-unit); }
.task-attachments li { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; }
.task-attachments a { color: var(--teal); text-decoration: underline; }

.todo-count { color: var(--text-muted); font-size: 0.875rem; }
.todo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: calc(var(--space-unit) * 3); }
.todo-form { display: flex; gap: var(--space-unit); margin-bottom: calc(var(--space-unit) * 2); flex-wrap: wrap; }
.todo-form input { flex: 1 1 200px; }
.todo-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-unit); }
.todo-item { display: flex; align-items: center; gap: var(--space-unit); flex-wrap: wrap; padding: var(--space-unit) calc(var(--space-unit) * 1.5); border: 1px solid var(--border); border-radius: 6px; background: var(--secondary); }
.todo-item label { flex: 1 1 160px; display: flex; flex-direction: column; cursor: pointer; }
.todo-item input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--teal); }
.todo-item small { color: var(--text-muted); }
.todo-done .todo-title { text-decoration: line-through; color: var(--text-muted); }

.finance-card { border: 1px solid var(--border); border-radius: 8px; padding: calc(var(--space-unit) * 2); margin-top: calc(var(--space-unit) * 3); background: var(--secondary); }
.finance-approval { display: flex; flex-wrap: wrap; align-items: center; gap: calc(var(--space-unit) * 1.5); margin: calc(var(--space-unit) * 2) 0; padding: calc(var(--space-unit) * 1.5); border: 1px dashed var(--border); border-radius: 6px; }
.finance-approve-form { display: flex; flex-wrap: wrap; align-items: end; gap: var(--space-unit); width: 100%; }
.finance-approve-form input { flex: 1 1 220px; }
.finance-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-unit); margin-top: var(--space-unit); }
.finance-inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: calc(var(--space-unit) * 1.5); margin: calc(var(--space-unit) * 2) 0; }
.finance-inline-form .form-group { margin: 0; min-width: 140px; flex: 1 1 140px; }
.finance-project-pick select { min-width: 200px; max-width: 100%; }
.finance-over { color: var(--danger); font-weight: 700; }
.alloc-input { width: 90px; }

.dash-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: calc(var(--space-unit) * 2); margin-top: calc(var(--space-unit) * 2); }
.dash-card { border: 1px solid var(--border); border-radius: 8px; padding: calc(var(--space-unit) * 2); background: var(--secondary); display: flex; flex-direction: column; gap: var(--space-unit); }
.dash-card header { display: flex; justify-content: space-between; align-items: start; gap: var(--space-unit); }
.dash-card h3 { margin: 0; }
.dash-progress { height: 10px; border-radius: 999px; background: var(--surface-raised, var(--border)); overflow: hidden; }
.dash-progress span { display: block; height: 100%; background: var(--teal); }
.dash-progress-label { margin: 0; color: var(--text-muted); font-size: 0.875rem; }
.dash-status, .dash-flags { display: flex; flex-wrap: wrap; gap: 4px var(--space-unit); font-size: 0.875rem; }
.dash-budget { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-unit); margin: 0; }
.dash-budget dt { color: var(--text-muted); font-size: 0.8rem; }
.dash-budget dd { margin: 0; font-weight: 700; }
.dash-warn { color: var(--danger); font-weight: 700; }
.dash-card footer { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-unit); margin-top: auto; }
.dash-deadlines { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.dash-deadlines span { color: var(--teal); font-weight: 700; margin-right: var(--space-unit); }
@media (max-width: 600px) { .dash-grid { grid-template-columns: 1fr; } .finance-project-pick select { min-width: 0; width: 100%; } }