/* =============================================
   Planner — Main Stylesheet
   Light & Dark Mode Support
   ============================================= */

/* ---- Light Mode (default) ---- */
:root {
    --primary:      #4361ee;
    --primary-dark: #3a56d4;
    --secondary:    #f8f9fa;
    --sidebar-bg:   #1e2a3a;
    --sidebar-text: #c8d6e5;
    --sidebar-hover:#2d3f55;
    --sidebar-active:#4361ee;
    --topbar-bg:    #ffffff;
    --border:       #e9ecef;
    --text:         #2d3436;
    --text-muted:   #6c757d;
    --success:      #27ae60;
    --warning:      #f39c12;
    --danger:       #e74c3c;
    --info:         #2980b9;
    --card-shadow:  0 2px 12px rgba(0,0,0,0.07);
    --sidebar-width:240px;
    --topbar-height:56px;
}

/* ---- Dark Mode Variables ---- */
[data-theme="dark"] {
    --primary:      #5a7af5;
    --primary-dark: #4361ee;
    --secondary:    #1e2a3a;
    --sidebar-bg:   #111820;
    --sidebar-text: #a0b4c8;
    --sidebar-hover:#1a2535;
    --sidebar-active:#5a7af5;
    --topbar-bg:    #1a2535;
    --border:       #2d3f55;
    --text:         #e0e6f0;
    --text-muted:   #7a90a8;
    --card-shadow:  0 2px 12px rgba(0,0,0,0.35);

    /* Page & content backgrounds */
    --bg-page:      #111820;
    --bg-card:      #1a2535;
    --bg-input:     #1e2a3a;
    --bg-table-alt: #1e2a3a;
    --bg-hover:     #243040;
    --bg-modal:     #1a2535;
}

/* ---- Dark Mode Global Overrides ---- */
[data-theme="dark"] body {
    background: #111820;
    color: var(--text);
}
[data-theme="dark"] .card {
    background: var(--bg-card);
    border-color: var(--border);
}
[data-theme="dark"] .card-header {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .topbar {
    background: var(--topbar-bg);
    border-color: var(--border);
}
[data-theme="dark"] .topbar-user { color: var(--text); }
[data-theme="dark"] .sidebar-toggle { border-color: var(--border); color: var(--text-muted); }
[data-theme="dark"] .sidebar-toggle:hover { background: var(--sidebar-hover); }
[data-theme="dark"] .page-title { color: var(--text); }
[data-theme="dark"] .stat-card {
    background: var(--bg-card);
    border-color: var(--border);
}
[data-theme="dark"] .stat-value { color: var(--text); }
[data-theme="dark"] .table {
    color: var(--text);
}
[data-theme="dark"] .table thead th {
    background: #243040;
    color: var(--text-muted);
    border-color: var(--border);
}
[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
    border-color: var(--border);
}
[data-theme="dark"] .table-hover tbody tr:hover td { background-color: rgba(255,180,0,.30) !important; color: #fff !important; }
[data-theme="dark"] .table-hover tbody tr:hover td a,
[data-theme="dark"] .table-hover tbody tr:hover td button.btn-link { color: #fff !important; }
[data-theme="dark"] .table-hover tbody tr:hover td a:hover,
[data-theme="dark"] .table-hover tbody tr:hover td button.btn-link:hover { text-decoration: underline !important; }
[data-theme="dark"] .table-hover tbody tr.row-selected td { background-color: rgba(255,180,0,.45) !important; color: #fff !important; }
[data-theme="dark"] .table-hover tbody tr.row-selected td a,
[data-theme="dark"] .table-hover tbody tr.row-selected td button.btn-link { color: #fff !important; text-decoration: underline !important; }
[data-theme="dark"] .form-control {
    background: var(--bg-input);
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .form-control:focus {
    background: var(--bg-input);
    border-color: var(--primary);
    color: var(--text);
    box-shadow: 0 0 0 3px rgba(90,122,245,0.18);
}
[data-theme="dark"] .form-control:disabled,
[data-theme="dark"] .form-control[readonly] {
    background: #243040;
    color: var(--text-muted);
}
[data-theme="dark"] select.form-control option {
    background: var(--bg-input);
    color: var(--text);
}
[data-theme="dark"] .modal-content {
    background: var(--bg-modal);
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border);
}
[data-theme="dark"] .modal-title { color: var(--text); }
[data-theme="dark"] .close { color: var(--text-muted); }
[data-theme="dark"] .close:hover { color: var(--text); }
[data-theme="dark"] label,
[data-theme="dark"] .form-label { color: var(--text); }
[data-theme="dark"] h6 { color: var(--text); }
/* Badge dark overrides */
[data-theme="dark"] .badge-secondary { background: #2d3f55; color: #c8d6e5; }
[data-theme="dark"] .badge-active      { background: #1a3a2a; color: #7dcea0; }
[data-theme="dark"] .badge-completed   { background: #1a2e3a; color: #7fb3d3; }
[data-theme="dark"] .badge-on_hold     { background: #3a2e1a; color: #f8c471; }
[data-theme="dark"] .badge-cancelled   { background: #3a1a1a; color: #f1948a; }
[data-theme="dark"] .badge-todo        { background: #2d3f55; color: #a0b4c8; }
[data-theme="dark"] .badge-in_progress { background: #3a2e1a; color: #f8c471; }
[data-theme="dark"] .badge-done        { background: #1a3a2a; color: #7dcea0; }
[data-theme="dark"] .badge-type-normal      { background: #1a2e4a; color: #7fb3ff; }
[data-theme="dark"] .badge-type-shut        { background: #3a1a1a; color: #f1948a; }
[data-theme="dark"] .badge-type-opportunity { background: #1a3a2a; color: #7dcea0; }
[data-theme="dark"] .badge-type-breakdown   { background: #3a2e1a; color: #f8c471; }
[data-theme="dark"] .badge-type-other       { background: #2e1a3a; color: #c39bd3; }
[data-theme="dark"] .badge-type-goods_supply { background: #1a3530; color: #76d7c4; }
[data-theme="dark"] .badge-info { background: #1a2e3a; color: #7fb3d3; }
[data-theme="dark"] .input-group-text {
    background: #243040;
    border-color: var(--border);
    color: var(--text-muted);
}
[data-theme="dark"] .btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border);
}
[data-theme="dark"] .btn-outline-secondary:hover {
    background: var(--bg-hover);
    color: var(--text);
}
[data-theme="dark"] .btn-secondary {
    background: #2d3f55;
    border-color: #2d3f55;
    color: var(--text);
}
[data-theme="dark"] .text-muted { color: var(--text-muted) !important; }
[data-theme="dark"] .border { border-color: var(--border) !important; }
[data-theme="dark"] .border-top { border-color: var(--border) !important; }
[data-theme="dark"] .bg-light { background: #243040 !important; }
[data-theme="dark"] .bg-white { background: var(--bg-card) !important; }
[data-theme="dark"] hr { border-color: var(--border); }
[data-theme="dark"] pre {
    background: #0d1520;
    color: #a0c4ff;
    border: 1px solid var(--border);
}
[data-theme="dark"] code { color: #a0c4ff; }
[data-theme="dark"] .alert-success { background: #1a3a2a; border-color: #27ae60; color: #7dcea0; }
[data-theme="dark"] .alert-danger  { background: #3a1a1a; border-color: #e74c3c; color: #f1948a; }
[data-theme="dark"] .alert-warning { background: #3a2e1a; border-color: #f39c12; color: #f8c471; }
[data-theme="dark"] .alert-info    { background: #1a2e3a; border-color: #2980b9; color: #7fb3d3; }
[data-theme="dark"] .dropdown-menu {
    background: var(--bg-card);
    border-color: var(--border);
}
[data-theme="dark"] .dropdown-item {
    color: var(--text);
}
[data-theme="dark"] .dropdown-item:hover {
    background: var(--bg-hover);
    color: var(--text);
}
[data-theme="dark"] .custom-control-label::before {
    background: var(--bg-input);
    border-color: var(--border);
}
[data-theme="dark"] .util-bar-wrap { background: #2d3f55; }
[data-theme="dark"] #gantt-container,
[data-theme="dark"] #calendar-container {
    background: var(--bg-card);
    border-color: var(--border);
}
[data-theme="dark"] #gantt-filter-bar {
    background: var(--bg-card) !important;
    border-color: var(--border) !important;
}
[data-theme="dark"] #gantt-filter-bar select,
[data-theme="dark"] #gantt-filter-bar input {
    background: var(--bg-input);
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .task-detail-panel {
    background: var(--bg-card);
    border-color: var(--border);
}
/* FullCalendar dark overrides */
[data-theme="dark"] .fc-toolbar h2 { color: var(--text); }
[data-theme="dark"] .fc-day-header,
[data-theme="dark"] .fc-day-number { color: var(--text-muted); }
[data-theme="dark"] .fc-today { box-shadow: inset 0 0 0 2px #c62828 !important; background: transparent !important; }
[data-theme="dark"] .fc-other-month { background: #151e2b; }
[data-theme="dark"] .fc-button {
    background: #2d3f55;
    border-color: var(--border);
    color: var(--text);
}
[data-theme="dark"] .fc-button:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
[data-theme="dark"] .fc-button-primary:not(:disabled).fc-button-active {
    background: var(--primary);
    border-color: var(--primary);
}
/* Gantt — stronger grid lines for both modes */
.gantt .row-line { stroke: #adb5bd !important; stroke-width: 1.5px !important; }
.gantt .tick { stroke: #ced4da !important; stroke-width: 1.2px !important; }
.gantt .today-highlight { fill: rgba(67,97,238,0.06); }
[data-theme="dark"] .gantt .grid-background { fill: #1a2535; }
[data-theme="dark"] .gantt .grid-header { fill: #243040; }
[data-theme="dark"] .gantt .grid-row { fill: #1a2535; }
[data-theme="dark"] .gantt .grid-row:nth-child(even) { fill: #1e2a3a; }
[data-theme="dark"] .gantt .row-line { stroke: #3d5a7a !important; stroke-width: 1.5px !important; }
[data-theme="dark"] .gantt .tick { stroke: #3d5a7a !important; stroke-width: 1.2px !important; }

/* Login page dark */
[data-theme="dark"] .login-wrapper {
    background: linear-gradient(135deg, #0d1520 0%, #111820 100%);
}
[data-theme="dark"] .login-card {
    background: #1a2535;
    color: var(--text);
}
[data-theme="dark"] .login-logo h1 { color: var(--text); }
/* Report PDF page dark (not applied — PDF is always light) */

/* ---- Dark Mode Toggle Button ---- */
.dark-mode-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 12px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.dark-mode-toggle:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.dark-mode-toggle .icon-sun  { display: none; }
.dark-mode-toggle .icon-moon { display: inline; }
[data-theme="dark"] .dark-mode-toggle .icon-sun  { display: inline; }
[data-theme="dark"] .dark-mode-toggle .icon-moon { display: none; }

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: #f0f2f5;
    color: var(--text);
    margin: 0;
    padding: 0;
    font-size: 14px;
}

/* ---- App Wrapper ---- */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1000;
    transition: width 0.25s ease;
    overflow: hidden;
}

.sidebar-brand {
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.sidebar-brand a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-brand i { font-size: 20px; color: var(--primary); }
.sidebar-brand-company {
    margin-top: 4px; font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.55);
    text-transform: uppercase; letter-spacing: 0.04em;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.sidebar-nav {
    list-style: none;
    padding: 12px 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}
.sidebar-nav .nav-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    border-left: 3px solid transparent;
    font-size: 14px;
}
.sidebar-nav .nav-item a:hover {
    background: var(--sidebar-hover);
    color: #fff;
}
.sidebar-nav .nav-item.active a {
    background: rgba(67,97,238,0.15);
    color: #fff;
    border-left-color: var(--primary);
}
.sidebar-nav .nav-item i { width: 18px; text-align: center; font-size: 15px; }
.sidebar-nav .nav-divider { height: 1px; background: var(--sidebar-divider, rgba(255,255,255,0.12)); margin: 8px 14px; }

.sidebar-footer {
    padding: 14px 20px;
    border-top: 1px solid rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar-footer a {
    color: var(--sidebar-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}
.sidebar-footer a:hover { color: #fff; }
.logout-btn { font-size: 16px !important; }

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 0 0 auto;
    width: calc(100% - var(--sidebar-width));
    max-width: calc(100vw - var(--sidebar-width));
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.25s ease;
}

/* ---- Topbar ---- */
.topbar {
    background: var(--topbar-bg);
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.topbar-user {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}
.topbar-user:hover { color: var(--primary); }
.sidebar-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 5px 10px;
    cursor: pointer;
    color: var(--text-muted);
}
.sidebar-toggle:hover { background: var(--secondary); }

/* ---- Page Content ---- */
.page-content {
    padding: 28px 28px;
    flex: 1;
    min-width: 0;
    overflow-x: hidden;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}
.page-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 3px;
}

/* ---- Cards ---- */
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    margin-bottom: 24px;
}
.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: transparent;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 10px 10px 0 0;
}
.card-body { padding: 20px; }

/* ---- Stat Cards ---- */
.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px 24px;
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 20px;
}
.stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    color: #fff;
}
.stat-icon.blue   { background: linear-gradient(135deg, #4361ee, #3a56d4); }
.stat-icon.green  { background: linear-gradient(135deg, #27ae60, #1e8449); }
.stat-icon.orange { background: linear-gradient(135deg, #f39c12, #e67e22); }
.stat-icon.purple { background: linear-gradient(135deg, #8e44ad, #7d3c98); }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ---- Badges ---- */
.badge-role { font-size: 11px; padding: 4px 10px; border-radius: 20px; font-weight: 600; }
.badge-admin   { background: #4361ee; color: #fff; }
.badge-manager { background: #8e44ad; color: #fff; }
.badge-member  { background: #27ae60; color: #fff; }
.badge-viewer  { background: #95a5a6; color: #fff; }

.badge-status { font-size: 11px; padding: 3px 9px; border-radius: 20px; font-weight: 600; }
.badge-active      { background: #d5f5e3; color: #1e8449; }
.badge-completed   { background: #d6eaf8; color: #1a5276; }
.badge-on_hold     { background: #fef9e7; color: #9a7d0a; }
.badge-cancelled   { background: #fadbd8; color: #922b21; }
.badge-todo        { background: #eaecee; color: #626567; }
.badge-in_progress { background: #fef9e7; color: #9a7d0a; }
.badge-done        { background: #d5f5e3; color: #1e8449; }

/* ---- Tables ---- */
.table thead th {
    background: #f8f9fa;
    border-top: none;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}
.table td { vertical-align: middle; }
.table td a, .table td button.btn-link { color: #000 !important; }
[data-theme="dark"] .table td a, [data-theme="dark"] .table td button.btn-link { color: #fff !important; }
.table-top-align td { vertical-align: top !important; }
#feedback-history td { vertical-align: top !important; }
.table-hover tbody tr:hover td { background-color: rgba(255,230,50,.22) !important; color: inherit !important; }
.table-hover tbody tr:hover td a,
.table-hover tbody tr:hover td button.btn-link { color: #000 !important; }
.table-hover tbody tr:hover td a:hover,
.table-hover tbody tr:hover td button.btn-link:hover { text-decoration: underline !important; }
.table-hover tbody tr.row-selected td { background-color: rgba(255,210,0,.35) !important; color: inherit !important; }
.table-hover tbody tr.row-selected td a,
.table-hover tbody tr.row-selected td button.btn-link { color: #000 !important; text-decoration: underline !important; }

/* ---- Buttons ---- */
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-sm { font-size: 12px; padding: 4px 12px; }
.btn-xs { padding: .1rem .35rem; font-size: .75rem; line-height: 1.5; border-radius: .2rem; }

/* ---- Forms ---- */
.form-control {
    border-radius: 7px;
    border: 1px solid #dee2e6;
    font-size: 14px;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67,97,238,0.12);
}
.form-label { font-weight: 500; font-size: 13px; }

/* ---- Login Page ---- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e2a3a 0%, #2d3f55 100%);
}
.login-card {
    background: #fff;
    border-radius: 14px;
    padding: 40px 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}
.login-logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-logo i { font-size: 40px; color: var(--primary); }
.login-logo h1 { font-size: 24px; font-weight: 700; margin: 8px 0 4px; }
.login-logo p { color: var(--text-muted); font-size: 13px; }
.login-logo .login-company { color: var(--primary); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; margin: 0 0 2px; }

/* ---- Gantt Chart Wrapper ---- */
#gantt-container {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    background: #fff;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    padding: 0;
}
.gantt-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.gantt-toolbar .btn { font-size: 13px; }
.gantt-view-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---- Calendar ---- */
#calendar-container {
    background: #fff;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    padding: 20px;
}
/* Stronger calendar grid lines for better visibility */
.fc-widget-content { border-color: #bfc8d2 !important; }
.fc-head-container { border-color: #bfc8d2 !important; }
.fc-widget-header { border-color: #bfc8d2 !important; }
td.fc-day { border-color: #bfc8d2 !important; }
.fc-row { border-color: #bfc8d2 !important; }
.fc-divider { border-color: #bfc8d2 !important; }
.fc-list-heading td { border-color: #bfc8d2 !important; }
.fc-list-table td { border-color: #bfc8d2 !important; }
.fc-scroller { border-color: #bfc8d2 !important; }
.fc-other-month { background: #fafbfc; }
[data-theme="dark"] td.fc-day { border-color: #3d5a7a !important; }
[data-theme="dark"] .fc-widget-content { border-color: #3d5a7a !important; }
[data-theme="dark"] .fc-head-container { border-color: #3d5a7a !important; }
[data-theme="dark"] .fc-widget-header { border-color: #3d5a7a !important; }
[data-theme="dark"] .fc-row { border-color: #3d5a7a !important; }

/* ---- Resource Utilization Bar ---- */
.util-bar-wrap {
    background: #eaecee;
    border-radius: 20px;
    height: 8px;
    overflow: hidden;
    min-width: 80px;
}
.util-bar {
    height: 100%;
    border-radius: 20px;
    background: var(--primary);
    transition: width 0.4s;
}
.util-bar.over { background: var(--danger); }
.util-bar.warn { background: var(--warning); }

/* ---- Color Swatch ---- */
.color-swatch {
    display: inline-block;
    width: 14px; height: 14px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 6px;
}

/* ---- Responsive ---- */
@media (hover: none) and (pointer: coarse) {
    /* Touch devices: bigger tap targets */
    .sidebar-nav .nav-item a { padding: 14px 20px; min-height: 48px; }
    .sidebar-footer a { min-height: 42px; }
    .btn, button { min-height: 38px; }
    .btn-sm { min-height: 30px; padding: 4px 10px; }
    .btn-xs { min-height: 26px; }
    .form-control { min-height: 40px; font-size: 15px; }
    .form-control.form-control-sm { min-height: 34px; font-size: 14px; }
    select.form-control { min-height: 40px; }
    .input-group .form-control { min-height: 40px; }
    .dark-mode-toggle { min-height: 38px; }
    .sidebar-toggle { min-height: 38px; padding: 6px 12px; }
}

@media (max-width: 768px) {
    body { font-size: 13px; }

    .app-wrapper { display: block; min-height: 100vh; }
    .sidebar {
        width: min(var(--sidebar-width), 86vw);
        transform: translateX(-100%);
        transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
        box-shadow: 8px 0 32px rgba(0,0,0,0.2);
        will-change: transform;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content {
        margin-left: 0;
        width: 100%;
        max-width: 100vw;
    }
    body.sidebar-open::after {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(17,24,32,0.48);
        z-index: 950;
        animation: fadeIn 0.2s ease;
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to   { opacity: 1; }
    }
    body.sidebar-open .sidebar { z-index: 1001; }

    .topbar {
        height: auto;
        min-height: var(--topbar-height);
        padding: 8px 12px;
        gap: 6px;
    }
    .topbar-right { gap: 6px; }
    .topbar-user { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
    .badge-role { display: none; }
    .dark-mode-toggle { padding: 5px 8px; min-height: 34px; font-size: 12px; }
    .sidebar-toggle { padding: 6px 10px; }

    .page-content { padding: 12px 10px; overflow-x: hidden; }
    .page-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 12px;
    }
    .page-header > .btn,
    .page-header > .btn-group,
    .page-header > div:last-child:not(:first-child) {
        width: 100%;
    }
    .page-header .btn,
    .page-header a.btn,
    .page-header button.btn {
        margin: 2px 0;
        white-space: normal;
    }
    .page-header .btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
    }
    .page-header .btn-group .btn {
        flex: 1 1 auto;
        min-width: 0;
    }
    .page-title { font-size: 18px; line-height: 1.25; }
    .page-subtitle { font-size: 12px; }

    .card { border-radius: 8px; margin-bottom: 12px; }
    .card-header {
        padding: 12px 14px;
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
    .card-header > .btn,
    .card-header > a.btn,
    .card-header > button.btn {
        width: 100%;
    }
    .card-body { padding: 12px; overflow-x: auto; }

    .stat-card {
        padding: 12px 14px;
        gap: 12px;
        margin-bottom: 10px;
    }
    .stat-icon { width: 40px; height: 40px; font-size: 17px; border-radius: 9px; }
    .stat-value { font-size: 22px; }
    .stat-label { font-size: 11px; }

    .form-inline {
        align-items: stretch !important;
        flex-direction: column;
        width: 100%;
    }
    .form-inline label { margin-bottom: 2px; }
    .form-inline .form-control,
    .form-inline .select2-container,
    .form-inline .btn {
        width: 100% !important;
        min-width: 0 !important;
        margin: 2px 0 !important;
    }
    .form-inline .input-group {
        width: 100% !important;
        flex-wrap: wrap;
    }
    .form-inline .input-group-append {
        width: 100%;
    }
    .form-inline .input-group-append .btn {
        border-radius: 7px;
        margin-top: 2px !important;
    }
    .form-inline .input-group > .form-control {
        width: 100% !important;
    }
    .form-row {
        flex-direction: column;
    }
    .form-row > .col,
    .form-row > [class*="col-"] {
        padding-right: 0;
        padding-left: 0;
    }

    /* Nav tabs horizontal scroll */
    .nav-tabs {
        overflow-x: auto;
        overflow-y: hidden;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .nav-tabs::-webkit-scrollbar { display: none; }
    .nav-tabs .nav-item {
        white-space: nowrap;
        flex-shrink: 0;
    }
    .nav-tabs .nav-link {
        white-space: nowrap;
        padding: 8px 12px;
    }
    .tab-content {
        overflow-x: hidden;
    }

    .table {
        min-width: 720px;
        font-size: 12px;
    }
    .table thead th { font-size: 11px; }
    .table td,
    .table th {
        padding: 0.4rem 0.35rem;
        white-space: nowrap;
    }
    .table td .btn {
        margin: 1px;
        padding: 3px 8px;
        font-size: 11px;
    }
    .table td .btn i {
        font-size: 12px;
    }

    .modal-dialog,
    .modal-xl,
    .modal-lg {
        max-width: none;
        width: calc(100% - 12px);
        margin: 6px;
    }
    .modal-body { padding: 12px; max-height: calc(100vh - 130px); overflow-y: auto; }
    .modal-header,
    .modal-footer { padding: 10px 12px; }
    .modal-footer {
        align-items: stretch;
        flex-direction: column-reverse;
    }
    .modal-footer .btn { width: 100%; margin: 2px 0; }
    .modal-body .row > [class*="col-md-"] {
        padding-left: 0;
        padding-right: 0;
    }
    .modal-body .row {
        margin-left: 0;
        margin-right: 0;
    }

    .select2-container { width: 100% !important; }
    .select2-container--bootstrap .select2-selection {
        min-height: 36px;
        font-size: 14px;
    }
    .select2-dropdown { font-size: 14px; }

    #calendar-container {
        padding: 6px;
        border-radius: 8px;
        overflow-x: auto;
    }
    .fc-toolbar {
        align-items: stretch;
        flex-direction: column;
        gap: 6px;
    }
    .fc-toolbar .fc-left,
    .fc-toolbar .fc-center,
    .fc-toolbar .fc-right {
        float: none;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
    }
    .fc-toolbar h2 {
        font-size: 16px;
        margin: 4px 0;
    }
    .fc button { padding: 0 0.4em; font-size: 12px; min-height: 30px; }
    .fc-view-container { min-width: 620px; }
    .calendar-day-add { top: -4px; right: 2px; width: 22px; height: 22px; font-size: 17px; }

    #gantt-container {
        border-radius: 8px;
        min-height: 260px;
    }
    #gantt-container svg { min-width: 760px; }
    .gantt-view-btns {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
        margin-left: 0 !important;
    }
    .gantt-view-btns .btn { width: 100%; }
    .task-detail-panel { padding: 12px; }

    /* Resource schedule responsive */
    .resource-schedule-day { padding: 10px 0; }
    .resource-schedule-date { font-size: 13px; padding: 6px 8px; }
    .resource-schedule-task { padding: 8px 10px; }
    .resource-schedule-task-title { font-size: 13px; }
    .resource-schedule-task-number { min-width: 22px; margin-right: 8px; }
    .resource-schedule-task-meta-aligned { margin-left: 30px; }
    .resource-schedule-resource-header { font-size: 13px; padding: 6px 8px; }
    .resource-schedule-date-indent { margin-left: 10px; padding-left: 8px; }
    .resource-schedule-inline-task { margin-left: 12px; padding-left: 8px; }
    [class*="nav-tabs"] ~ .tab-content .resource-schedule-day:first-child { padding-top: 0; }

    /* Settings page responsive */
    .settings-day-box { padding: 8px 4px; font-size: 12px; }

    /* Reports page responsive */
    .reports-summary-table th,
    .reports-summary-table td { font-size: 11px; padding: 4px 6px; }
    .reports-recent-tasks-table { font-size: 11px; }
    .reports-recent-tasks-table th,
    .reports-recent-tasks-table td { padding: 4px 6px; }

    /* Role permissions responsive */
    .table-responsive .table th,
    .table-responsive .table td { font-size: 11px; padding: 4px 6px; }

    /* Shared links responsive */
    .shared-title-form { flex-direction: column; gap: 4px; min-width: 0; width: 100%; }
    .shared-title-form input { min-width: 0; width: 100%; }
    .shared-link-url { font-size: 11px; }

    /* Login */
    .login-wrapper { padding: 14px; }
    .login-card { padding: 24px 20px; max-width: 100%; }

    /* Toast notifications */
    .alert[style*="fixed"] {
        left: 10px !important;
        right: 10px !important;
        bottom: 10px !important;
        width: auto !important;
        min-width: 0 !important;
    }
}

@media (max-width: 480px) {
    body { font-size: 12px; }

    .topbar {
        padding: 6px 8px;
        min-height: 48px;
    }
    .topbar-right { gap: 4px; }
    .topbar-user { max-width: 60px; font-size: 0; }
    .topbar-user i { font-size: 14px; margin-right: 2px; }
    .dark-mode-toggle { padding: 4px 7px; min-height: 32px; font-size: 11px; }
    .sidebar-toggle { padding: 5px 8px; }

    .page-content { padding: 10px 8px; }
    .page-header { gap: 8px; margin-bottom: 10px; }
    .page-title { font-size: 16px; }
    .page-subtitle { font-size: 11px; }

    .card { border-radius: 6px; margin-bottom: 10px; }
    .card-header { padding: 10px 12px; font-size: 14px; }
    .card-body { padding: 10px; }

    .stat-card {
        padding: 10px 12px;
        gap: 10px;
        margin-bottom: 8px;
    }
    .stat-icon { width: 34px; height: 34px; font-size: 14px; border-radius: 7px; }
    .stat-value { font-size: 19px; }
    .stat-label { font-size: 10px; }

    .btn-sm { font-size: 11px; padding: 3px 8px; min-height: 28px; }
    .btn-xs { font-size: 10px; padding: 2px 6px; min-height: 24px; }

    .table { font-size: 11px; }
    .table thead th { font-size: 10px; }
    .table td,
    .table th { padding: 0.3rem 0.25rem; }
    .table td .btn { font-size: 10px; padding: 2px 6px; }

    .modal-dialog { width: calc(100% - 8px); margin: 4px; }
    .modal-body { padding: 10px; max-height: calc(100vh - 120px); }
    .modal-header,
    .modal-footer { padding: 8px 10px; }

    .resource-schedule-task { padding: 6px 8px; }
    .resource-schedule-meta { font-size: 11px; }
    .resource-schedule-resource { font-size: 10px; padding: 1px 6px; }

    .nav-tabs .nav-link { padding: 6px 10px; font-size: 13px; }

    .fc-toolbar h2 { font-size: 15px; }
    .fc button { font-size: 11px; padding: 0 0.35em; }

    .badge { font-size: 10px; padding: 2px 6px; }
    .badge-status { font-size: 10px; padding: 2px 7px; }
    .badge-role { font-size: 10px; padding: 3px 8px; }

    .color-swatch { width: 12px; height: 12px; margin-right: 4px; }

    .util-bar-wrap { min-width: 50px; height: 6px; }

    .login-card { padding: 20px 16px; border-radius: 10px; }
    .login-logo i { font-size: 32px; }
    .login-logo h1 { font-size: 20px; }
}

/* Extra small height accommodation for landscape phones */
@media (max-height: 500px) {
    .modal-body { max-height: calc(100vh - 100px); }
    .page-content { padding-top: 8px; padding-bottom: 8px; }
    .card { margin-bottom: 8px; }
    .card-header { padding: 8px 10px; }
    .card-body { padding: 8px; }
}

/* ---- Collapsible Panels ---- */
.collapse-toggle {
    color: var(--text-muted);
    font-size: 13px;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    text-decoration: none !important;
}
.collapse-toggle:hover {
    color: var(--text);
    background: rgba(0,0,0,0.05);
}
[data-theme="dark"] .collapse-toggle:hover {
    background: rgba(255,255,255,0.08);
}
.collapse-toggle .fa-chevron-up {
    transition: transform 0.25s ease;
}
.collapse-toggle.collapsed .fa-chevron-up {
    transform: rotate(180deg);
}
.card-header .collapse-toggle {
    flex-shrink: 0;
}

/* ---- Modal ---- */
.modal-header { border-bottom: 1px solid var(--border); }
.modal-footer { border-top: 1px solid var(--border); }
.modal-title { font-weight: 600; }
.resource-assignment-row {
    display: grid;
    grid-template-columns: minmax(220px, 360px) 82px;
    align-items: center;
    justify-content: start;
    column-gap: 14px;
    row-gap: 6px;
    padding: 4px 0;
}
.resource-assignment-name {
    min-width: 0;
    margin-bottom: 0;
}
.resource-assignment-name .custom-control-label {
    display: block;
    line-height: 1.35;
    white-space: normal;
}
.resource-assignment-qty {
    display: grid;
    grid-template-columns: auto 48px;
    align-items: center;
    column-gap: 5px;
}
.resource-assignment-qty label {
    font-size: 12px;
    margin: 0;
    color: #7f8c8d;
}
.resource-assignment-qty .resource-qty {
    width: 48px;
    min-width: 48px;
    text-align: center;
    padding-left: 4px;
    padding-right: 4px;
}
@media (max-width: 520px) {
    .resource-assignment-row {
        grid-template-columns: minmax(0, 1fr) 82px;
        column-gap: 10px;
    }
}

/* ---- Alert ---- */
.alert { border-radius: 8px; font-size: 14px; }

/* ---- Task Type Badges ---- */
.badge-type { font-size: 11px; padding: 3px 9px; border-radius: 20px; font-weight: 600; }
.badge-type-normal      { background: #d6e4ff; color: #1a3a8f; }
.badge-type-shut        { background: #fadbd8; color: #922b21; }
.badge-type-opportunity { background: #d5f5e3; color: #1e8449; }
.badge-type-breakdown   { background: #fef9e7; color: #9a7d0a; }
.badge-type-other       { background: #e8daef; color: #6c3483; }
.badge-type-goods_supply { background: #d1f2eb; color: #1e8449; }

/* ---- Gantt Task Type Bar Colors ---- */
.gantt .bar-type-normal      .bar { fill: #4361ee; }
.gantt .bar-type-shut        .bar { fill: #e74c3c; }
.gantt .bar-type-opportunity .bar { fill: #27ae60; }
.gantt .bar-type-breakdown   .bar { fill: #e67e22; }
.gantt .bar-type-other       .bar { fill: #8e44ad; }
.gantt .bar-type-goods_supply .bar { fill: #16a085; }

/* ---- Full Day Badge ---- */
.badge-info { background: #d1ecf1; color: #0c5460; }

/* ---- Settings Page ---- */
.settings-day-box { border-radius: 8px; padding: 12px 8px; text-align: center; }

/* ---- Select2 overrides ---- */
.select2-container--bootstrap .select2-selection { border-radius: 6px; font-size: 13px; min-height: 31px; }
.select2-container--bootstrap .select2-selection--multiple .select2-selection__choice { background: var(--primary); border-color: var(--primary-dark); color: #fff; font-size: 11px; }
.select2-container--bootstrap .select2-selection--multiple .select2-selection__choice__remove { color: rgba(255,255,255,0.8); }
.select2-container--bootstrap .select2-selection--multiple .select2-selection__choice__remove:hover { color: #fff; }
.select2-dropdown { border-radius: 6px; font-size: 13px; }
[data-theme="dark"] .select2-container--bootstrap .select2-selection { background: var(--bg-input); border-color: var(--border); color: var(--text); }
[data-theme="dark"] .select2-dropdown { background: var(--bg-card); border-color: var(--border); color: var(--text); }
[data-theme="dark"] .select2-container--bootstrap .select2-results__option { color: var(--text); }
[data-theme="dark"] .select2-container--bootstrap .select2-results__option--highlighted { background: var(--primary); color: #fff; }
[data-theme="dark"] .select2-search--dropdown .select2-search__field { background: var(--bg-input); border-color: var(--border); color: var(--text); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #c8d6e5; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a0b4c8; }