@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: rgba(20, 26, 40, 0.6);
    --bg-tertiary: rgba(30, 38, 56, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    
    --glass-bg: rgba(20, 26, 40, 0.45);
    --glass-blur: blur(12px);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.5;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: #ffffff;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-cyan);
}

/* Scrollbar Style */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* Authentication Page Styles */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 16px;
    width: 100%;
    max-width: 440px;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 28px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    display: inline-block;
}

.auth-title {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 6px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Layout Dashboard */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar styling */
.sidebar {
    width: 260px;
    background: rgba(10, 14, 23, 0.85);
    border-right: var(--glass-border);
    display: flex;
    flex-direction: column;
    padding: 24px;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 36px;
    padding-left: 8px;
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
}

.sidebar-link:hover, .sidebar-link.active {
    background: rgba(59, 130, 246, 0.1);
    color: #ffffff;
    border-left: 3px solid var(--accent-cyan);
    padding-left: 13px;
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
}

.sidebar-footer {
    padding-top: 16px;
    border-top: var(--glass-border);
}

.sidebar-logout-btn {
    width: 100%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--accent-red);
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 14px;
    border-radius: 8px;
    transition: var(--transition);
}

.sidebar-logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Main Content Wrapper */
.main-wrapper {
    flex-grow: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Header */
.top-header {
    height: 70px;
    background: rgba(10, 14, 23, 0.5);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 40px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-badge {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.admin-badge {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--accent-purple);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.sms-balance-pill {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent-green);
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.sms-balance-pill span {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 500;
    opacity: 0.8;
}

/* Page Content */
.content-body {
    padding: 40px;
    flex-grow: 1;
}

.page-title-section {
    margin-bottom: 30px;
}

.page-title {
    font-size: 28px;
    margin-bottom: 6px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Cards & Widgets */
.grid-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--accent-blue);
    opacity: 0.6;
    transition: var(--transition);
}

.stat-card.blue::after { background: var(--accent-blue); }
.stat-card.purple::after { background: var(--accent-purple); }
.stat-card.cyan::after { background: var(--accent-cyan); }
.stat-card.green::after { background: var(--accent-green); }
.stat-card.red::after { background: var(--accent-red); }

.stat-card:hover {
    transform: translateY(-4px);
    background: var(--bg-tertiary);
}

.stat-card:hover::after {
    height: 6px;
    opacity: 1;
}

.stat-title {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    font-family: var(--font-heading);
}

.card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: var(--glass-shadow);
}

.card-title {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(10, 14, 23, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
    background: rgba(10, 14, 23, 0.8);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-checkbox input {
    accent-color: var(--accent-cyan);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    font-family: var(--font-body);
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #ffffff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-cyan {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #ffffff;
}

.btn-cyan:hover {
    background: linear-gradient(135deg, #0891b2, #2563eb);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.btn-danger {
    background: var(--accent-red);
    color: #ffffff;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 8px;
    border: var(--glass-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
    background: var(--glass-bg);
}

.table th {
    background: rgba(10, 14, 23, 0.7);
    color: #ffffff;
    font-weight: 600;
    padding: 16px 20px;
    border-bottom: var(--glass-border);
}

.table td {
    padding: 16px 20px;
    color: var(--text-secondary);
    border-bottom: rgba(255, 255, 255, 0.05);
}

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

.table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
    color: #ffffff;
}

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

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

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Alert Notification Banner */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #a7f3d0;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-8px);
    background: var(--bg-tertiary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.pricing-card.featured::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: 20px;
    right: -35px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    color: #ffffff;
    font-size: 9px;
    font-weight: 800;
    padding: 6px 40px;
    transform: rotate(45deg);
    letter-spacing: 0.1em;
}

.pricing-card.featured {
    border-color: rgba(6, 182, 212, 0.4);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
}

.pricing-name {
    font-size: 22px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-price {
    font-size: 44px;
    font-weight: 800;
    color: #ffffff;
    font-family: var(--font-heading);
    margin-bottom: 6px;
}

.pricing-price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
}

.pricing-rate {
    font-size: 13px;
    color: var(--accent-cyan);
    margin-bottom: 30px;
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
    text-align: left;
}

.pricing-features li {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features svg {
    width: 18px;
    height: 18px;
    color: var(--accent-green);
    flex-shrink: 0;
}

/* API Docs Layout */
.docs-section {
    margin-bottom: 40px;
}

.docs-section h3 {
    margin-bottom: 16px;
    font-size: 20px;
}

.docs-endpoint-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(10, 14, 23, 0.6);
    border: var(--glass-border);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 14px;
    margin-bottom: 20px;
}

.method-post {
    background: var(--accent-purple);
    color: #ffffff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

.docs-table th {
    font-size: 13px;
}

.code-block-wrapper {
    background: #05070a;
    border: var(--glass-border);
    border-radius: 8px;
    position: relative;
    margin-top: 12px;
    overflow: hidden;
}

.code-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

pre {
    padding: 20px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    color: #c9d1d9;
    line-height: 1.6;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }

/* Responsive adjustments */
@media (max-width: 992px) {
    .sidebar {
        width: 70px;
        padding: 20px 10px;
        align-items: center;
    }
    
    .sidebar-logo {
        font-size: 16px;
        margin-bottom: 24px;
        padding-left: 0;
        text-align: center;
    }
    
    .sidebar-logo span {
        display: none;
    }
    
    .sidebar-link span {
        display: none;
    }
    
    .sidebar-logout-btn span {
        display: none;
    }
    
    .main-wrapper {
        margin-left: 70px;
    }
    
    .top-header {
        padding: 0 20px;
    }
    
    .content-body {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .auth-card {
        padding: 24px;
    }
    
    .top-header {
        padding: 0 15px;
    }
    
    .sms-balance-pill span {
        display: none;
    }
}