:root {
    --primary: #007bff;
    --primary-dark: #0056b3;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --dark: #343a40;
    --light: #f8f9fa;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--primary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switcher {
    display: flex;
    gap: 0.25rem;
    background: var(--gray-100);
    padding: 0.25rem;
    border-radius: 6px;
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s;
}

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

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

.user-email {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 20px;
}

/* Confirm Payment Page */
.payment-confirmation .page-header {
    margin-bottom: 1.5rem;
}

.payment-confirmation .card {
    padding: 0;
    overflow: hidden;
}

.payment-confirmation .summary-card {
    padding: 2rem;
}

.payment-confirmation .btn i,
.payment-confirmation .btn-paypal i {
    margin-right: 0.5rem;
}

.icon-left {
    margin-right: 0.5rem;
}

.payment-confirmation .step-title i,
.payment-confirmation .summary-label i,
.payment-confirmation .summary-expiry i {
    margin-right: 0.5rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--gray-300);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.card h2 {
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
    color: var(--dark);
}

.card h3 {
    font-size: 1.25rem;
    margin: 0 0 0.75rem 0;
    color: var(--dark);
}

.card p {
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark);
}

.card-body {
    color: var(--gray-800);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-danger:hover {
    background: #c82333;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-secondary {
    background: var(--gray-600);
    color: var(--white);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

/* Header */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--gray-800);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--primary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switcher {
    display: flex;
    gap: 0.25rem;
    background: var(--gray-100);
    padding: 0.25rem;
    border-radius: 6px;
}

.lang-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s;
}

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

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

.user-email {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 20px;
}

/* Confirm Payment Page */
.payment-confirmation .page-header {
    margin-bottom: 1.5rem;
}

.payment-confirmation .card {
    padding: 0;
    overflow: hidden;
}

.payment-confirmation .summary-card {
    padding: 2rem;
}

.payment-confirmation .btn i,
.payment-confirmation .btn-paypal i {
    margin-right: 0.5rem;
}

.icon-left {
    margin-right: 0.5rem;
}

.payment-confirmation .step-title i,
.payment-confirmation .summary-label i,
.payment-confirmation .summary-expiry i {
    margin-right: 0.5rem;
}

.payment-confirmation .card > *:first-child {
    margin-top: 0;
}

.payment-confirmation .card > *:last-child {
    margin-bottom: 0;
}

.payment-confirmation h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.payment-confirmation .page-subtitle {
    color: var(--gray-600);
    margin-top: 0.25rem;
}

.summary-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    border: 1px solid var(--gray-200);
    padding: 2rem;
    border-radius: 12px;
    background: var(--white);
}

.summary-left {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.summary-label {
    font-size: 0.85rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.summary-expiry {
    font-size: 0.85rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.summary-right {
    text-align: right;
}

.summary-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.summary-currency {
    color: var(--gray-600);
    font-size: 0.85rem;
}

.step-card {
    border: 1px solid var(--gray-200);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem 0.75rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-100);
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.step-pill {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
}

.step-pill-primary {
    background: rgba(0, 123, 255, 0.12);
    color: var(--primary);
}

.step-pill-success {
    background: rgba(40, 167, 69, 0.12);
    color: var(--success);
}

.step-body {
    padding: 1.5rem;
}

.step-hint {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.method-card {
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 1.25rem;
    background: var(--white);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.paypal-card {
    border-color: rgba(0, 87, 183, 0.2);
    box-shadow: 0 6px 14px rgba(0, 87, 183, 0.08);
}

.bank-card {
    background: var(--gray-100);
}

.method-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.method-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 123, 255, 0.12);
    color: var(--primary);
    font-size: 1.2rem;
}

.method-title {
    font-weight: 600;
}

.method-subtitle {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.method-text {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.btn-paypal {
    background: #003087;
    color: var(--white);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-weight: 600;
    text-decoration: none;
}

.btn-paypal:hover {
    background: #001f5c;
}

.bank-grid {
    display: grid;
    gap: 0.75rem;
}

.bank-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.95rem;
}

.bank-label {
    color: var(--gray-600);
}

.bank-value.code {
    font-family: 'SFMono-Regular', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: var(--gray-200);
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
}

.confirm-form {
    background: var(--gray-100);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    display: grid;
    gap: 1.25rem;
}

.confirm-form .form-control,
.confirm-form .form-select {
    border-radius: 8px;
    border: 1px solid var(--gray-300);
    padding: 0.7rem 0.85rem;
    width: 100%;
    background: var(--white);
    font-size: 1rem;
}

.confirm-form .form-control:focus,
.confirm-form .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

.form-text {
    display: block;
    margin-top: 0.5rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.text-muted {
    color: var(--gray-600);
}

.mb-3 {
    margin-bottom: 1rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.w-100 {
    width: 100%;
}

@media (max-width: 768px) {
    .summary-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .summary-right {
        text-align: left;
    }

    .step-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Docs Page */
.docs-page {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.docs-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
}

.docs-hero h1 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
}

.docs-hero p {
    margin: 0;
    color: var(--gray-600);
}

.docs-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2rem;
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: sticky;
    top: 1.5rem;
    height: fit-content;
}

.docs-nav a {
    text-decoration: none;
    color: var(--gray-800);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: 1px solid transparent;
    font-weight: 500;
}

.docs-nav a:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--primary);
}

.docs-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.docs-section h2 {
    margin-bottom: 0.75rem;
}

.docs-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 1rem;
    margin-top: 0.75rem;
}

.docs-table ul {
    margin: 0.5rem 0 0 1rem;
}

.docs-steps {
    padding-left: 1.25rem;
}

.docs-page pre {
    background: var(--gray-100);
    padding: 1rem;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 0.9rem;
}

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

    .docs-nav {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark);
}

.card-body {
    color: var(--gray-800);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-danger:hover {
    background: #c82333;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-left: 4px solid var(--primary);
}

.stat-card.success {
    border-left-color: var(--success);
}

.stat-card.warning {
    border-left-color: var(--warning);
}

.stat-card.danger {
    border-left-color: var(--danger);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
}

.stat-subtitle {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.5rem;
}

/* API Key Display */
.api-key-display {
    background: var(--gray-100);
    padding: 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    word-break: break-all;
    border: 2px solid var(--gray-300);
    margin: 1rem 0;
}

/* Progress Bar */
.progress {
    height: 1.5rem;
    background: var(--gray-200);
    border-radius: 6px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar {
    height: 100%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    transition: width 0.3s;
}

.progress-bar.success {
    background: var(--success);
}

.progress-bar.warning {
    background: var(--warning);
}

.progress-bar.danger {
    background: var(--danger);
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-300);
}

.table th {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--dark);
}

.table tr:hover {
    background: var(--gray-100);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: var(--success);
    color: var(--white);
}

.badge-warning {
    background: var(--warning);
    color: var(--dark);
}

.badge-danger {
    background: var(--danger);
    color: var(--white);
}

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

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    max-width: 450px;
    width: 100%;
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: var(--dark);
    margin-bottom: 2rem;
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--gray-600);
}

.auth-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

}