:root {
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-purple: #a855f7;
    --accent-green: #22c55e;
    --accent-yellow: #eab308;
    --accent-red: #ef4444;
    --radius-lg: 16px;
    --radius-md: 10px;
    --shadow-glow: 0 10px 25px -5px rgba(56, 189, 248, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
}

/* Login Overlay */
.login-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.login-header i {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: 12px;
}

.login-header h2 {
    font-size: 1.3rem;
    margin-bottom: 6px;
}

.login-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.login-input {
    text-align: center;
    font-size: 1.1rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 12px;
}

.login-error {
    margin-top: 14px;
    color: var(--accent-red);
    font-size: 0.85rem;
    font-weight: 600;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 18px 28px;
    box-shadow: var(--shadow-glow);
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo i {
    font-size: 2.2rem;
    color: var(--accent-blue);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.badge {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    color: #fff;
    font-weight: 600;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 2px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 22px;
}

/* Filter Card */
.filter-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.filter-card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.custom-select, .custom-input {
    width: 100%;
    background: #0f172a;
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.custom-select:focus, .custom-input:focus {
    border-color: var(--accent-blue);
}

.filter-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .metrics-grid { grid-template-columns: 1fr; }
}

.metric-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px;
}

.metric-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: rgba(56, 189, 248, 0.12);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.metric-info { display: flex; flex-direction: column; gap: 4px; }
.metric-label { font-size: 0.8rem; color: var(--text-secondary); }
.metric-value { font-size: 1.35rem; font-weight: 700; font-family: 'Fira Code', monospace; color: var(--accent-blue); }

/* Data Layout */
.data-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
}

@media (max-width: 1100px) {
    .data-layout { grid-template-columns: 1fr; }
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.card-header h2 { font-size: 1.15rem; font-weight: 700; }

.badge-tag {
    background: rgba(168, 85, 247, 0.15);
    color: var(--accent-purple);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
}

.table-container {
    overflow-x: auto;
    max-height: 550px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
    font-size: 0.875rem;
}

.data-table th {
    background: #0f172a;
    color: var(--text-secondary);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.data-table tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.vote-badge {
    background: rgba(56, 189, 248, 0.12);
    color: var(--accent-blue);
    padding: 4px 8px;
    border-radius: 6px;
    font-family: 'Fira Code', monospace;
    font-weight: 700;
}

/* Leaderboard */
.leaderboard-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.leader-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #0f172a;
    border-radius: var(--radius-md);
    border: 1px solid var(--card-border);
}

.leader-info { display: flex; flex-direction: column; }
.leader-name { font-weight: 700; font-size: 0.9rem; color: var(--text-primary); }
.leader-partai { font-size: 0.75rem; color: var(--text-secondary); }
.leader-suara { font-family: 'Fira Code', monospace; font-weight: 700; color: var(--accent-green); }

/* Buttons */
.btn {
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: none;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-primary { background: var(--accent-blue); color: #0f172a; }
.btn-primary:hover { background: #0284c7; color: #fff; }

.btn-secondary { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); border: 1px solid var(--card-border); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.15); }

.btn-danger { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.3); }
.btn-danger:hover { background: var(--accent-red); color: #fff; }

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.modal-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
}

.upload-dropzone {
    border: 2px dashed var(--accent-blue);
    background: rgba(56, 189, 248, 0.05);
    padding: 30px;
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: background-color 0.2s;
}

.upload-dropzone:hover {
    background: rgba(56, 189, 248, 0.12);
}

.upload-dropzone i { font-size: 2.5rem; color: var(--accent-blue); }

.upload-status {
    margin-top: 10px;
    font-size: 0.85rem;
    text-align: center;
    color: var(--accent-green);
}

.main-footer {
    text-align: center;
    padding: 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--card-border);
}