/* =============================================
   HỆ THỐNG QUẢN LÝ BẦU CỬ - THEME ĐỎ QUỐC KỲ
   ============================================= */

:root {
    --primary: #b71c1c;
    --primary-light: #d32f2f;
    --primary-dark: #7f0000;
    --primary-gradient: linear-gradient(135deg, #b71c1c 0%, #d32f2f 50%, #e53935 100%);
    --sidebar-gradient: linear-gradient(180deg, #7f0000 0%, #b71c1c 60%, #c62828 100%);
    --accent: #ffd600;
    --accent-hover: #ffab00;
    --success: #2e7d32;
    --warning: #f57f17;
    --info: #1565c0;
    --bg-light: #fef8f6;
    --bg-card: #ffffff;
    --text-primary: #3e2723;
    --text-secondary: #795548;
    --border: #f5d0c8;
    --shadow: 0 2px 16px rgba(183, 28, 28, 0.08);
    --shadow-hover: 0 6px 24px rgba(183, 28, 28, 0.15);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gold: #ffd600;
    --gold-dark: #c7a600;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
}

/* Background trống đồng watermark */
body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: url('../images/trong-dong.png') center/contain no-repeat;
    opacity: 0.04;
    z-index: 0;
    pointer-events: none;
}

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--sidebar-gradient);
    color: #fff;
    z-index: 1040;
    transition: var(--transition);
    overflow-y: auto;
}

/* Sidebar trống đồng decoration */
.sidebar::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 140px;
    background: url('../images/trong-dong.png') center/contain no-repeat;
    opacity: 0.08;
    pointer-events: none;
}

.sidebar-brand {
    padding: 1.25rem 1rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(0, 0, 0, 0.15);
}

.sidebar-brand img.brand-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.3));
}

.sidebar-brand h4 {
    font-size: 0.95rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--gold);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.sidebar-brand small {
    opacity: 0.85;
    font-size: 0.72rem;
    color: #ffcdd2;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    padding: 0.75rem 0;
    list-style: none;
    margin: 0;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-left-color: var(--gold);
}

.sidebar-nav li a.active {
    background: rgba(255, 214, 0, 0.1);
    font-weight: 600;
}

.sidebar-nav li a i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    color: var(--gold);
    opacity: 0.8;
}

.sidebar-nav li a:hover i,
.sidebar-nav li a.active i {
    opacity: 1;
}

/* ---- Main Content ---- */
.main-content {
    margin-left: 260px;
    padding: 0;
    min-height: 100vh;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.topbar {
    background: var(--bg-card);
    padding: 0.85rem 2rem;
    border-bottom: 2px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: 0 2px 8px rgba(183, 28, 28, 0.06);
}

.topbar h5 {
    color: var(--primary);
}

.page-content {
    padding: 1.5rem 2rem;
    position: relative;
    z-index: 1;
}

/* ---- Stats Cards ---- */
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
}

.stat-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
    color: var(--primary-dark);
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ---- Tally Cards ---- */
.tally-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    border: 2px solid var(--border);
    transition: var(--transition);
}

.tally-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-hover);
}

.tally-card .candidate-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.tally-card .tally-buttons {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tally-card .btn-tally {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    border: none;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-tally.btn-plus {
    background: var(--success);
    color: #fff;
}

.btn-tally.btn-plus:hover {
    background: #1b5e20;
    transform: scale(1.05);
}

.btn-tally.btn-plus:active {
    transform: scale(0.95);
}

.btn-tally.btn-minus {
    background: var(--primary-light);
    color: #fff;
}

.btn-tally.btn-minus:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.btn-tally.btn-minus:active {
    transform: scale(0.95);
}

.tally-marks {
    font-family: 'Courier New', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    padding: 0.5rem;
    background: #fff5f5;
    border-radius: 8px;
    min-height: 48px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    word-break: break-all;
    border: 1px dashed var(--border);
}

.vote-count-badge {
    font-size: 1.25rem;
    font-weight: 800;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-block;
}

/* ---- Discrepancy Alert ---- */
.discrepancy-alert {
    background: #fff3e0;
    border: 2px solid var(--warning);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    color: #e65100;
    font-weight: 600;
    animation: pulse-border 2s infinite;
}

@keyframes pulse-border {

    0%,
    100% {
        border-color: var(--warning);
    }

    50% {
        border-color: transparent;
    }
}

/* ---- Login Page ---- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: url('../images/trong-dong.png') center/contain no-repeat;
    opacity: 0.08;
    pointer-events: none;
}

.login-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.login-card h2 {
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.login-card .btn-primary,
.login-card .btn-login {
    background: var(--primary-gradient);
    border: none;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 0.75rem;
    border-radius: 10px;
    transition: var(--transition);
}

.login-card .btn-primary:hover,
.login-card .btn-login:hover {
    box-shadow: 0 4px 16px rgba(183, 28, 28, 0.4);
    transform: translateY(-1px);
}

/* ---- Tables ---- */
.table-modern {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table-modern thead th {
    background: var(--primary-gradient);
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.85rem 1rem;
    border: none;
}

.table-modern tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-color: var(--bg-light);
}

.table-modern tbody tr:hover {
    background: #fff5f5;
}

/* ---- Section Header ---- */
.section-header {
    background: var(--primary-gradient);
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.section-header::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: url('../images/trong-dong.png') center/contain no-repeat;
    opacity: 0.15;
    pointer-events: none;
}

/* ---- Bootstrap Overrides ---- */
.btn-primary {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

.btn-primary:hover {
    background: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}

.btn-outline-primary {
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.btn-outline-primary:hover {
    background: var(--primary) !important;
    color: #fff !important;
}

.badge.bg-primary {
    background: var(--primary) !important;
}

.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background: var(--primary) !important;
}

/* Chart container */
.chart-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* ---- Buttons ---- */
.btn-action {
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-role {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
}

/* Locked state */
.tally-card.locked {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.tally-card.locked::after {
    content: '🔒 ĐÃ KHÓA';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(127, 0, 0, 0.85);
    color: var(--gold);
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 575.98px) {
    .tally-card .btn-tally {
        width: 56px;
        height: 56px;
        font-size: 1.25rem;
    }

    .page-content {
        padding: 1rem;
    }

    .topbar {
        padding: 0.75rem 1rem;
    }
}

/* ---- PDF Print ---- */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: #fff;
    }

    body::before {
        display: none;
    }

    .main-content {
        margin: 0;
    }
}

/* ---- NEW: Tally Table Buttons ---- */
.btn-tally-plus {
    background: linear-gradient(135deg, #2e7d32, #43a047);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-tally-plus:hover {
    background: linear-gradient(135deg, #1b5e20, #2e7d32);
    transform: scale(1.05);
    color: #fff;
}

.btn-tally-plus:active {
    transform: scale(0.95);
}

.btn-tally-minus {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-tally-minus:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: scale(1.05);
    color: #fff;
}

.btn-tally-minus:active {
    transform: scale(0.95);
}

.vote-count-display {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    background: #fff5f5;
    padding: 0.3rem 0.75rem;
    border-radius: 8px;
    border: 2px solid var(--primary);
    display: inline-block;
    min-width: 50px;
}

/* ---- NEW: Action Buttons (tally page header) ---- */
.btn-ballot {
    background: linear-gradient(135deg, #f57f17, #ff8f00);
    color: #fff;
    border: none;
    font-weight: 600;
    border-radius: 8px;
}

.btn-ballot:hover {
    background: linear-gradient(135deg, #e65100, #f57f17);
    color: #fff;
}

.btn-report {
    background: linear-gradient(135deg, #1565c0, #1976d2);
    color: #fff;
    border: none;
    font-weight: 600;
    border-radius: 8px;
}

.btn-report:hover {
    background: linear-gradient(135deg, #0d47a1, #1565c0);
    color: #fff;
}

.btn-lock {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--gold);
    border: none;
    font-weight: 700;
    border-radius: 8px;
    letter-spacing: 0.5px;
}

.btn-lock:hover {
    background: linear-gradient(135deg, #4a0000, var(--primary-dark));
    color: var(--gold);
}

.btn-unlock {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    font-weight: 600;
    border-radius: 8px;
}

.btn-unlock:hover {
    background: var(--primary);
    color: #fff;
}

/* ---- NEW: Candidate Index Avatar ---- */
.candidate-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.candidate-avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fef0f0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
    color: var(--text-secondary);
}