/* ===== RESET & GLOBAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --success: #4cc9f0;
    --danger: #f72585;
    --warning: #f8961e;
    --info: #4895ef;
    --light: #f8f9fa;
    --dark: #212529;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: var(--gray-800);
    line-height: 1.6;
}

/* ===== APP LAYOUT ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    text-align: center;
    padding: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 10px;
}

.logo h2 span {
    color: var(--success);
}

.nav-menu ul {
    list-style: none;
    padding: 0 20px;
}

.nav-menu li {
    margin-bottom: 5px;
}

.nav-menu a {
    display: flex;
    align-items: center;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 12px 15px;
    border-radius: var(--radius);
    transition: var(--transition);
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-menu a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    padding: 0 20px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

.sidebar-footer i {
    margin-right: 5px;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-300);
}

.search-bar {
    position: relative;
    width: 300px;
}

.search-bar i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

.search-bar input {
    width: 100%;
    padding: 10px 10px 10px 35px;
    border: 1px solid var(--gray-300);
    border-radius: 50px;
    background-color: white;
    font-size: 0.9rem;
}

.user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

/* ===== TAB CONTENT ===== */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== CARD COMPONENT ===== */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    overflow: hidden;
}

.card-header {
    background: linear-gradient(135deg, var(--primary), var(--info));
    color: white;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.card-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}

.card-header h2 i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.card-header p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

/* ===== FORM STYLING ===== */
.assessment-form {
    padding: 25px;
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--gray-300);
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
}

.form-section h3 i {
    margin-right: 8px;
    color: var(--primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray-800);
    font-size: 0.95rem;
}

.form-group label span {
    color: var(--danger);
    font-size: 1.1rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
    background-color: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* ===== SCORE CARD ===== */
.score-card {
    background: linear-gradient(135deg, #e0f7fa, #bbdefb);
    border: 1px solid #4fc3f7;
    border-radius: var(--radius);
    padding: 25px;
    margin-top: 25px;
}

.score-header h3 {
    font-size: 1.2rem;
    color: #0288d1;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.score-header h3 i {
    margin-right: 10px;
}

.score-body {
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.score-total {
    text-align: center;
    margin-bottom: 20px;
}

.score-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 5px;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.score-max {
    font-size: 1.2rem;
    color: var(--gray-500);
    margin-left: 5px;
}

.score-category {
    text-align: center;
    margin-bottom: 25px;
}

.badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.viral {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
}

.badge.high {
    background: linear-gradient(135deg, #48dbfb, #1dd1a1);
    color: white;
}

.badge.average {
    background: linear-gradient(135deg, #feca57, #ff9ff3);
    color: white;
}

.badge.low {
    background: linear-gradient(135deg, #576574, #341f97);
    color: white;
}

.score-breakdown h4 {
    font-size: 1rem;
    color: var(--primary-dark);
    margin: 15px 0 10px;
    padding-bottom: 5px;
    border-bottom: 2px solid var(--success);
}

.score-breakdown p {
    margin: 8px 0;
    font-size: 0.95rem;
}

/* ===== TABLE STYLING ===== */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.data-table th,
.data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    background-color: var(--primary);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.data-table th i {
    margin-right: 5px;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: var(--gray-100);
    transform: scale(1.01);
}

.data-table tbody tr:nth-child(even) {
    background-color: var(--gray-50);
}

.data-table a {
    color: var(--primary);
    text-decoration: none;
    margin-right: 10px;
}

.data-table a:hover {
    text-decoration: underline;
}

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.creator-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.creator-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.creator-card h3 {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.creator-card p {
    margin: 10px 0;
    font-size: 0.95rem;
    color: var(--gray-700);
}

.creator-card .btn {
    margin-top: 15px;
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* ===== FILTER CONTROLS ===== */
.filter-controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 15px 0;
}

.filter-controls select,
.comparison-controls select {
    padding: 10px 15px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background-color: white;
    min-width: 200px;
    font-size: 0.95rem;
}

.comparison-controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 20px 0;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.chart-container {
    margin-top: 30px;
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .sidebar {
        width: 80px;
        padding: 20px 5px;
    }

    .sidebar .logo h2,
    .sidebar .logo span,
    .sidebar .nav-menu a span,
    .sidebar-footer {
        display: none;
    }

    .sidebar .nav-menu a {
        justify-content: center;
        padding: 15px;
    }

    .sidebar .nav-menu a i {
        margin-right: 0;
        font-size: 1.2rem;
    }

    .main-content {
        margin-left: 80px;
    }

    .search-bar {
        width: 200px;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 10px 0;
    }

    .main-content {
        margin-left: 0;
        padding: 15px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .filter-controls,
    .comparison-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-controls select,
    .comparison-controls select {
        min-width: auto;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .score-value {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .search-bar {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}