/* Global Variables */
:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #121212;
    --card-bg: #1a1a1a;
    --hover-bg: #252525;
    --primary-accent: #00d4ff;
    --secondary-accent: #0099ff;
    --success-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ff4444;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-tertiary: #666666;
    --border-color: #2a2a2a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 153, 255, 0.05) 0%, transparent 50%);
    animation: backgroundPulse 15s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===========================
   LOGIN PAGE STYLES
   =========================== */

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border-radius: 12px;
    box-shadow: var(--shadow-glow);
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.login-title {
    text-align: center;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 14px 16px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all var(--transition-fast);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.input-group input::placeholder {
    color: var(--text-tertiary);
}

.error-message {
    color: var(--danger-color);
    font-size: 14px;
    min-height: 20px;
    text-align: center;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.login-button {
    position: relative;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border: none;
    border-radius: 8px;
    color: var(--primary-bg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--transition-fast);
    margin-top: 8px;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.login-button:active {
    transform: translateY(0);
}

.button-overlay {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left var(--transition-normal);
}

.login-button:hover .button-overlay {
    left: 100%;
}

/* ===========================
   DASHBOARD/HOME PAGE STYLES
   =========================== */

.dashboard-body,
.analytics-body {
    position: relative;
    min-height: 100vh;
}

.top-nav {
    position: sticky;
    top: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    box-shadow: var(--shadow-sm);
    z-index: 100;
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--primary-accent);
}

.back-link svg {
    width: 20px;
    height: 20px;
}

.logout-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: var(--text-primary);
}

.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 32px;
    position: relative;
    z-index: 1;
}

.dashboard-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    animation: fadeIn 0.8s ease;
}

.service-card {
    position: relative;
    padding: 32px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    overflow: hidden;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.6s ease backwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

.service-card.active {
    cursor: pointer;
}

.service-card.active:hover {
    transform: translateY(-8px);
    border-color: var(--primary-accent);
    box-shadow: var(--shadow-glow);
}

.service-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    color: var(--primary-accent);
    transition: transform var(--transition-normal);
}

.service-card.active:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.construction-label {
    color: var(--warning-color);
    font-style: italic;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.service-card.active:hover .card-overlay {
    left: 100%;
}

/* ===========================
   ANALYTICS PAGE STYLES
   =========================== */

.analytics-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 32px;
    position: relative;
    z-index: 1;
}

.analytics-section {
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease backwards;
}

.analytics-section:nth-child(1) { animation-delay: 0.1s; }
.analytics-section:nth-child(2) { animation-delay: 0.2s; }
.analytics-section:nth-child(3) { animation-delay: 0.3s; }
.analytics-section:nth-child(4) { animation-delay: 0.4s; }
.analytics-section:nth-child(5) { animation-delay: 0.5s; }

.section-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

/* Connection Panel */
.connection-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.connection-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 16px;
    font-weight: 500;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-indicator.disconnected {
    background: var(--text-tertiary);
}

.status-indicator.connected {
    background: var(--success-color);
    box-shadow: 0 0 10px var(--success-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.primary-btn {
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
    border: none;
    border-radius: 8px;
    color: var(--primary-bg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.primary-btn:active {
    transform: translateY(0);
}

.primary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.helper-text {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Property Selector */
.property-selector {
    display: flex;
    gap: 16px;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.custom-select {
    flex: 1;
    padding: 12px 16px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.custom-select:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.custom-select option {
    background: var(--secondary-bg);
    color: var(--text-primary);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.metric-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    gap: 16px;
    transition: all var(--transition-normal);
    animation: scaleIn 0.4s ease backwards;
}

.metric-card:nth-child(1) { animation-delay: 0.1s; }
.metric-card:nth-child(2) { animation-delay: 0.2s; }
.metric-card:nth-child(3) { animation-delay: 0.3s; }
.metric-card:nth-child(4) { animation-delay: 0.4s; }
.metric-card:nth-child(5) { animation-delay: 0.5s; }
.metric-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.metric-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-accent);
    box-shadow: var(--shadow-md);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.metric-icon svg {
    width: 24px;
    height: 24px;
}

.users-icon {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-accent);
}

.sessions-icon {
    background: rgba(0, 255, 136, 0.1);
    color: var(--success-color);
}

.pageviews-icon {
    background: rgba(255, 170, 0, 0.1);
    color: var(--warning-color);
}

.bounce-icon {
    background: rgba(255, 68, 68, 0.1);
    color: var(--danger-color);
}

.duration-icon {
    background: rgba(138, 99, 210, 0.1);
    color: #8a63d2;
}

.conversion-icon {
    background: rgba(255, 99, 132, 0.1);
    color: #ff6384;
}

.metric-content {
    flex: 1;
}

.metric-content h3 {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.metric-change {
    font-size: 13px;
    font-weight: 600;
}

.metric-change.positive {
    color: var(--success-color);
}

.metric-change.positive::before {
    content: '▲ ';
}

.metric-change.negative {
    color: var(--danger-color);
}

.metric-change.negative::before {
    content: '▼ ';
}

.metric-change.neutral {
    color: var(--text-tertiary);
}

/* Analysis Section */
.analysis-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.analysis-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    animation: fadeInUp 0.6s ease backwards;
}

.analysis-card:nth-child(1) { animation-delay: 0.1s; }
.analysis-card:nth-child(2) { animation-delay: 0.2s; }
.analysis-card:nth-child(3) { animation-delay: 0.3s; }
.analysis-card:nth-child(4) { animation-delay: 0.4s; }

.analysis-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--primary-accent);
}

.analysis-content {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.analysis-content ul {
    list-style: none;
    padding: 0;
}

.analysis-content li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.analysis-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-accent);
    font-weight: bold;
}

.insight-highlight {
    color: var(--primary-accent);
    font-weight: 600;
}

.insight-positive {
    color: var(--success-color);
    font-weight: 600;
}

.insight-negative {
    color: var(--danger-color);
    font-weight: 600;
}

.insight-warning {
    color: var(--warning-color);
    font-weight: 600;
}

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 20px auto;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Data Table */
.table-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

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

.data-table thead {
    background: var(--secondary-bg);
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 16px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

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

.data-table tbody tr:hover {
    background: var(--hover-bg);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.no-data {
    text-align: center;
    color: var(--text-tertiary);
    font-style: italic;
    padding: 32px !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-content {
        padding: 0 20px;
    }

    .dashboard-container,
    .analytics-container {
        padding: 32px 20px;
    }

    .dashboard-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card {
        padding: 24px;
    }

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

    .analysis-container {
        grid-template-columns: 1fr;
    }

    .property-selector {
        flex-direction: column;
    }

    .table-container {
        overflow-x: auto;
    }

    .data-table {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 32px 24px;
    }

    .login-title {
        font-size: 24px;
    }

    .nav-content {
        flex-wrap: wrap;
        gap: 12px;
    }

    .back-link {
        order: -1;
        width: 100%;
    }

    .section-title {
        font-size: 22px;
    }
}