* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0079bf;
    --board-bg: #0067a3;
    --column-bg: #ebecf0;
    --card-bg: #fff;
    --text: #172b4d;
    --text-light: #5e6c84;
    --danger: #eb5a46;
    --success: #61bd4f;
    --warning: #f2d600;
    --info: #0079bf;
    --sidebar-bg: #026aa7;
    --sidebar-w: 260px;
    --header-h: 48px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

/* Login */
.login-container {
    display: flex; align-items: center; justify-content: center;
    height: 100vh; background: linear-gradient(135deg, #0079bf 0%, #026aa7 100%);
}
.login-box {
    background: #fff; border-radius: 8px; padding: 40px; width: 360px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.login-box h1 { text-align: center; margin-bottom: 8px; color: var(--text); font-size: 22px; }
.login-box p { text-align: center; color: var(--text-light); margin-bottom: 24px; font-size: 14px; }
.login-box input {
    width: 100%; padding: 10px 12px; border: 2px solid #dfe1e6;
    border-radius: 4px; font-size: 14px; margin-bottom: 12px; outline: none;
}
.login-box input:focus { border-color: var(--info); }
.login-box button {
    width: 100%; padding: 10px; background: var(--success); color: #fff;
    border: none; border-radius: 4px; font-size: 15px; font-weight: 600;
    cursor: pointer;
}
.login-box button:hover { background: #519839; }
.login-error { color: var(--danger); text-align: center; font-size: 13px; margin-bottom: 8px; display: none; }

/* App Layout */
.app { display: flex; height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-w); background: var(--sidebar-bg); color: #fff;
    display: flex; flex-direction: column; flex-shrink: 0;
    transition: transform 0.2s;
}
.sidebar-header {
    padding: 14px 16px; font-size: 16px; font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; gap: 8px;
}
.sidebar-header svg { width: 22px; height: 22px; }
.sidebar-user {
    padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,0.15);
    font-size: 13px;
}
.sidebar-user .name { font-weight: 600; font-size: 14px; }
.sidebar-user .role { opacity: 0.7; margin-top: 2px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 16px; cursor: pointer; font-size: 14px;
    border-radius: 0 20px 20px 0; margin-right: 8px;
    transition: background 0.15s;
}
.nav-item:hover { background: rgba(255,255,255,0.15); }
.nav-item.active { background: rgba(255,255,255,0.25); font-weight: 600; }
.nav-item svg { width: 18px; height: 18px; opacity: 0.8; }
.nav-section {
    padding: 12px 16px 4px; font-size: 11px; text-transform: uppercase;
    letter-spacing: 1px; opacity: 0.5; font-weight: 600;
}
.sidebar-footer {
    padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.15);
}
.btn-logout {
    width: 100%; padding: 8px; background: rgba(255,255,255,0.15);
    color: #fff; border: none; border-radius: 4px; cursor: pointer;
    font-size: 13px;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* Main content */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
    height: var(--header-h); background: rgba(0,0,0,0.15);
    display: flex; align-items: center; padding: 0 16px; gap: 12px;
    color: #fff; flex-shrink: 0;
}
.topbar h2 { font-size: 17px; font-weight: 700; }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; }

/* Board (Trello columns) */
.board {
    flex: 1; display: flex; gap: 12px; padding: 12px;
    overflow-x: auto; overflow-y: hidden; align-items: flex-start;
}
.column {
    background: var(--column-bg); border-radius: 8px;
    min-width: 280px; max-width: 300px; width: 280px;
    display: flex; flex-direction: column; max-height: calc(100vh - 72px);
    flex-shrink: 0;
}
.column-header {
    padding: 10px 12px; font-size: 14px; font-weight: 700;
    display: flex; align-items: center; justify-content: space-between;
}
.column-header .count {
    background: rgba(0,0,0,0.1); border-radius: 10px;
    padding: 2px 8px; font-size: 12px; font-weight: 600;
}
.column-cards {
    flex: 1; overflow-y: auto; padding: 0 8px 8px;
    display: flex; flex-direction: column; gap: 8px;
}

/* Cards */
.card {
    background: var(--card-bg); border-radius: 6px;
    padding: 8px 10px; cursor: pointer;
    box-shadow: 0 1px 2px rgba(0,0,0,0.15);
    transition: box-shadow 0.15s, transform 0.1s;
}
.card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.2); transform: translateY(-1px); }
.card-title { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.card-meta { display: flex; gap: 6px; flex-wrap: wrap; font-size: 11px; }
.card-badge {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 2px 6px; border-radius: 3px; font-weight: 500;
}
.badge-deadline { background: #ffeedd; color: #d93; }
.badge-overdue { background: #ffe0e0; color: var(--danger); }
.badge-priority-high { background: #ffe0e0; color: var(--danger); }
.badge-priority-medium { background: #fff3cd; color: #856404; }
.badge-priority-low { background: #d4edda; color: #155724; }
.badge-user { background: #e4f0f6; color: #0079bf; }

/* Dashboard stats */
.dashboard-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px; padding: 16px;
}
.stat-card {
    background: #fff; border-radius: 8px; padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1); text-align: center;
}
.stat-card .number { font-size: 36px; font-weight: 800; }
.stat-card .label { font-size: 13px; color: var(--text-light); margin-top: 4px; }
.stat-completed .number { color: var(--success); }
.stat-progress .number { color: var(--info); }
.stat-overdue .number { color: var(--danger); }
.stat-late .number { color: #f5a623; }
.stat-soon .number { color: #f2d600; }
.stat-total .number { color: var(--text); }

/* Content panels */
.content-panel {
    flex: 1; overflow-y: auto; padding: 16px;
}

/* Table */
.data-table {
    width: 100%; background: #fff; border-radius: 8px;
    overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.data-table table { width: 100%; border-collapse: collapse; }
.data-table th {
    background: #f4f5f7; padding: 10px 12px; text-align: left;
    font-size: 12px; font-weight: 600; text-transform: uppercase;
    color: var(--text-light); border-bottom: 2px solid #dfe1e6;
}
.data-table td {
    padding: 10px 12px; font-size: 13px;
    border-bottom: 1px solid #f0f1f3;
}
.data-table tr:hover td { background: #f8f9fa; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 6px 12px; border: none; border-radius: 4px;
    font-size: 13px; cursor: pointer; font-weight: 500;
    transition: opacity 0.15s;
}
.btn:hover { opacity: 0.85; }
.btn-primary { background: var(--info); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: #f5a623; color: #fff; }
.btn-secondary { background: #dfe1e6; color: var(--text); }
.btn-sm { padding: 4px 8px; font-size: 12px; }
.btn-white { background: rgba(255,255,255,0.3); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.btn-white:hover { background: rgba(255,255,255,0.4); }

/* Modal */
.modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); display: flex;
    align-items: center; justify-content: center; z-index: 1000;
}
.modal {
    background: #fff; border-radius: 8px; width: 540px; max-width: 95vw;
    max-height: 85vh; overflow-y: auto; box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid #eee;
}
.modal-header h3 { font-size: 17px; }
.modal-close {
    width: 28px; height: 28px; border: none; background: #eee;
    border-radius: 50%; cursor: pointer; font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: #ddd; }
.modal-body { padding: 20px; }
.modal-footer {
    padding: 12px 20px; border-top: 1px solid #eee;
    display: flex; gap: 8px; justify-content: flex-end;
}

/* Form */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block; font-size: 12px; font-weight: 600;
    color: var(--text-light); margin-bottom: 4px; text-transform: uppercase;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px 10px; border: 2px solid #dfe1e6;
    border-radius: 4px; font-size: 14px; outline: none;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--info);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* Status badges */
.status-badge {
    display: inline-block; padding: 3px 8px; border-radius: 3px;
    font-size: 11px; font-weight: 600; text-transform: uppercase;
}
.status-new { background: #e4f0f6; color: #0079bf; }
.status-in_progress { background: #fff3cd; color: #856404; }
.status-returned { background: #ffe0e0; color: var(--danger); }
.status-completed { background: #d4edda; color: #155724; }
.status-registered { background: #e4f0f6; color: #0079bf; }
.status-directed { background: #fff3cd; color: #856404; }
.status-archived { background: #f4f5f7; color: var(--text-light); }
.status-pending { background: #fff3cd; color: #856404; }
.status-approved { background: #d4edda; color: #155724; }
.status-rejected { background: #ffe0e0; color: var(--danger); }

/* Role badges */
.role-badge {
    display: inline-block; padding: 2px 6px; border-radius: 3px;
    font-size: 10px; font-weight: 600; margin: 1px;
}
.role-admin { background: #6c5ce7; color: #fff; }
.role-rahbar { background: #0079bf; color: #fff; }
.role-nazoratchi { background: #f5a623; color: #fff; }
.role-kanselariya { background: #00b894; color: #fff; }
.role-ijrochi { background: #636e72; color: #fff; }

/* Comments */
.comment-list { margin-top: 12px; }
.comment-item {
    padding: 8px 0; border-bottom: 1px solid #f0f1f3;
}
.comment-item:last-child { border: none; }
.comment-meta { font-size: 12px; color: var(--text-light); margin-bottom: 2px; }
.comment-meta strong { color: var(--text); }
.comment-text { font-size: 14px; }
.comment-input {
    display: flex; gap: 8px; margin-top: 8px;
}
.comment-input input { flex: 1; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.3); }

/* Toast */
.toast-container {
    position: fixed; top: 16px; right: 16px; z-index: 2000;
    display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 10px 16px; border-radius: 6px; color: #fff;
    font-size: 13px; font-weight: 500; min-width: 240px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    animation: toastIn 0.3s ease;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar { position: fixed; z-index: 100; transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
}

/* Drag hint */
.card.dragging { opacity: 0.5; }
.column.drag-over { background: #d6dde3; }

/* Empty state */
.empty-state {
    text-align: center; padding: 40px 20px; color: var(--text-light);
}
.empty-state svg { width: 48px; height: 48px; opacity: 0.3; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* Checkbox toggle */
.toggle-active {
    cursor: pointer; padding: 2px 8px; border-radius: 3px;
    font-size: 11px; font-weight: 600;
}
.toggle-active.on { background: #d4edda; color: #155724; }
.toggle-active.off { background: #ffe0e0; color: var(--danger); }