:root {
    --color-primary: #1a56db;
    --color-primary-dark: #14308f;
    --color-primary-light: #dbeafe;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #f9fafb;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;
    --color-success: #059669;
    --color-success-bg: #d1fae5;
    --color-error: #dc2626;
    --color-error-bg: #fee2e2;
    --color-warning: #d97706;
    --color-warning-bg: #fef3c7;
    --color-accent: #0891b2;
    --radius: 8px;
    --radius-lg: 12px;
    --spacing: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 2);
    width: 100%;
}

/* Header & Navigation */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: calc(var(--spacing) * 2) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: calc(var(--spacing) * 2);
}

.site-header .logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
}

.main-nav {
    display: flex;
    gap: calc(var(--spacing) * 2);
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: calc(var(--spacing) / 2) var(--spacing);
    border-radius: var(--radius);
    transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-link-active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--color-text);
    border-radius: 2px;
    transition: opacity 0.2s ease;
}

/* Main */
.site-main {
    flex: 1;
    padding: 0;
}

/* Hero */
.hero {
    text-align: center;
    padding: calc(var(--spacing) * 6) calc(var(--spacing) * 2);
    background: linear-gradient(135deg, #eff6ff 0%, #f9fafb 100%);
}

.hero h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing);
    color: var(--color-text);
    line-height: 1.2;
}

.hero .lead {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin: 0 auto calc(var(--spacing) * 3);
}

.hero-actions {
    display: flex;
    gap: var(--spacing);
    justify-content: center;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: calc(var(--spacing) * 5) 0;
}

.section-alt {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing) * 3);
    text-align: center;
    color: var(--color-text);
}

/* Grid */
.grid {
    display: grid;
    gap: calc(var(--spacing) * 2);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing);
    color: var(--color-primary);
}

.card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Info Banner */
.info-banner {
    background: var(--color-primary-light);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
    text-align: center;
    margin: calc(var(--spacing) * 3) 0;
}

.info-banner p {
    color: var(--color-primary-dark);
    font-size: 0.95rem;
}

.info-banner a {
    color: var(--color-primary);
    font-weight: 600;
}

/* Pricing */
.pricing-grid {
    align-items: stretch;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card-featured {
    border-color: var(--color-primary);
    border-width: 2px;
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1.5);
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-name {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--spacing);
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: calc(var(--spacing) / 2);
}

.pricing-period {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.pricing-requests {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: calc(var(--spacing) * 1);
    padding-bottom: calc(var(--spacing) * 1);
    border-bottom: 1px solid var(--color-border);
}

.pricing-keys {
    margin-bottom: calc(var(--spacing) * 2);
    padding-bottom: calc(var(--spacing) * 2);
    border-bottom: 1px solid var(--color-border);
}

.pricing-key-badge {
    display: inline-block;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1);
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: calc(var(--spacing) / 2);
}

.pricing-key-sandbox {
    background: rgba(6, 182, 212, 0.1);
    color: #0e7490;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.pricing-key-live {
    background: rgba(22, 163, 74, 0.1);
    color: #15803d;
    border: 1px solid rgba(22, 163, 74, 0.3);
}

.pricing-features {
    list-style: none;
    margin-bottom: calc(var(--spacing) * 2);
    flex: 1;
}

.pricing-features li {
    padding: calc(var(--spacing) / 2) 0;
    color: var(--color-text);
    font-size: 0.9rem;
    position: relative;
    padding-left: calc(var(--spacing) * 2.5);
}

.pricing-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

/* FAQ */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--spacing);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-item summary {
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 2);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: calc(var(--spacing) * 4);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: calc(var(--spacing) * 2);
    font-size: 1.25rem;
    color: var(--color-primary);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    content: "\2212";
}

.faq-item p {
    padding: 0 calc(var(--spacing) * 2) calc(var(--spacing) * 1.5);
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Privacy Page */
.privacy-content {
    max-width: 760px;
    margin: 0 auto;
}

.privacy-heading {
    font-size: 1.25rem;
    margin-top: calc(var(--spacing) * 4);
    margin-bottom: calc(var(--spacing) * 1.5);
    color: var(--color-text);
}

.privacy-content p {
    color: var(--color-text-light);
    margin-bottom: calc(var(--spacing) * 1.5);
    line-height: 1.7;
}

.privacy-content p strong {
    color: var(--color-text);
}

.privacy-list {
    list-style: none;
    padding: 0;
    margin-bottom: calc(var(--spacing) * 2);
}

.privacy-list li {
    padding: calc(var(--spacing) * 1) 0;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
}

.privacy-list li:last-child {
    border-bottom: none;
}

.privacy-list li strong {
    color: var(--color-text);
}

.privacy-placeholder-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--spacing) * 2);
    margin: calc(var(--spacing) * 2) 0;
}

.privacy-placeholder {
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 2);
}

.privacy-placeholder h3 {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing);
}

.privacy-placeholder-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
}

.privacy-disclaimer {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 2);
    font-size: 0.9rem;
    color: #92400e;
    margin-top: calc(var(--spacing) * 3);
}

/* Contact Form */
.contact-wrap {
    max-width: 560px;
    margin: 0 auto;
}

.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: calc(var(--spacing) * 2);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: calc(var(--spacing) / 2);
    font-size: 0.95rem;
}

.req {
    color: var(--color-error);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: calc(var(--spacing) * 1.25);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-error {
    display: block;
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: calc(var(--spacing) / 2);
}

/* Alerts */
.alert {
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 2);
    border-radius: var(--radius);
    margin-bottom: calc(var(--spacing) * 2);
    font-weight: 500;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.alert-info {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.text-center {
    text-align: center;
}

.verify-resend {
    margin-top: calc(var(--spacing) * 2);
}

.verify-resend h3 {
    font-size: 1.125rem;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--color-text);
}

.nav-form {
    display: inline;
}

.nav-link-btn {
    background: transparent;
    border: none;
    font: inherit;
    cursor: pointer;
}

.dashboard-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    box-shadow: var(--shadow);
    margin-bottom: calc(var(--spacing) * 2);
}

.dashboard-card h2 {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--color-text);
}

.account-info {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: calc(var(--spacing) * 1);
}

.account-info dt {
    font-weight: 600;
    color: var(--color-text-light);
}

.account-info dd {
    margin: 0;
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 3);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
    text-align: center;
}

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

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

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

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

.btn-block {
    width: 100%;
}

.btn:active {
    transform: scale(0.98);
}

/* Registration Form */
.register-wrap {
    max-width: 640px;
    margin: 0 auto;
}

.register-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 2);
}

.form-row-3 {
    grid-template-columns: 1fr 2fr 2fr;
}

.form-optional {
    color: var(--color-text-light);
    font-weight: 400;
    font-size: 0.85rem;
}

.form-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) / 2);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: calc(var(--spacing) * 1);
    font-weight: 400;
    font-size: 0.95rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    width: auto;
    flex-shrink: 0;
}

.checkbox-label span {
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* DB Indicator (home) */
.db-indicator {
    display: inline-block;
    padding: calc(var(--spacing) / 2) calc(var(--spacing) * 2);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
}

.db-ok {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.db-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

/* Error Page */
.error-page {
    text-align: center;
    padding: calc(var(--spacing) * 6) 0;
}

.error-page h1 {
    font-size: 4rem;
    color: var(--color-primary);
}

.error-page p {
    color: var(--color-text-light);
    margin-bottom: calc(var(--spacing) * 2);
}

/* Footer */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: calc(var(--spacing) * 3) 0;
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing);
}

.footer-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.footer-note a {
    color: var(--color-primary);
    text-decoration: none;
}

.footer-note a:hover {
    text-decoration: underline;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--spacing) * 2);
}

.dashboard-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    box-shadow: var(--shadow);
    margin-bottom: 0;
}

.dashboard-card h2 {
    font-size: 1.25rem;
    margin-bottom: calc(var(--spacing) * 2);
    color: var(--color-text);
}

.dashboard-card .plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: calc(var(--spacing) * 2);
}

.usage-block {
    margin-top: calc(var(--spacing) * 1);
}

.usage-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: calc(var(--spacing) / 2);
}

.usage-bar {
    width: 100%;
    height: 10px;
    background: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
}

.usage-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 999px;
    transition: width 0.4s ease;
}

.usage-detail {
    display: flex;
    justify-content: space-between;
    margin-top: calc(var(--spacing) * 1);
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.api-status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing) / 2) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.api-status-row:last-child {
    border-bottom: none;
}

.api-status-label {
    color: var(--color-text-light);
    font-weight: 500;
}

.api-status-ok {
    color: var(--color-success);
    font-weight: 600;
}

.api-status-inactive {
    color: var(--color-text-light);
}

.api-badge {
    display: inline-block;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.api-badge-ok {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.api-badge-inactive {
    background: var(--color-border);
    color: var(--color-text-light);
}

.status-badge {
    display: inline-block;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1);
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
}

.status-ok {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.status-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.text-muted {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Usage Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: calc(var(--spacing) * 2);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    transition: border-color 0.2s ease;
}

.stat-item:hover {
    border-color: var(--color-primary);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

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

.stat-error {
    color: var(--color-error);
}

.stat-label {
    margin-top: calc(var(--spacing) / 2);
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.dashboard-actions {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 1);
}

.dashboard-actions form {
    margin: 0;
}

.btn-danger {
    background: var(--color-error);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.9;
}

/* Account */
.account-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: calc(var(--spacing) * 2);
    align-items: start;
}

.account-side {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.account-side .dashboard-card {
    margin-bottom: 0;
}

/* Subscription */
.subscription-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing) * 2);
    align-items: start;
}

.subscription-current .plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: calc(var(--spacing) * 2);
}

.sub-status {
    display: inline-block;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: capitalize;
}

.sub-status-active {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.sub-status-cancelled,
.sub-status-expired,
.sub-status-past_due {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.sub-status-trialing,
.sub-status-paused {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.plan-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.plan-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 2);
    transition: border-color 0.2s ease;
}

.plan-item:hover {
    border-color: var(--color-primary);
}

.plan-item-current {
    border-color: var(--color-primary);
    border-width: 2px;
    background: var(--color-primary-light);
}

.plan-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
}

.plan-item-header h3 {
    font-size: 1.125rem;
    color: var(--color-text);
    margin: 0;
}

.plan-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1);
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-badge-current {
    background: var(--color-primary);
    color: #fff;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: calc(var(--spacing) / 2);
}

.plan-period {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-light);
}

.plan-requests {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: calc(var(--spacing));
}

.plan-desc {
    font-size: 0.85rem;
    margin-bottom: calc(var(--spacing) * 1.5);
}

.plan-action {
    margin-top: calc(var(--spacing) * 1.5);
}

.plan-action .btn[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.subscription-back {
    margin-top: calc(var(--spacing) * 3);
    text-align: center;
}

/* API Keys */
.api-keys-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: calc(var(--spacing) * 2);
    align-items: start;
}

.api-key-reveal {
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 2);
    margin-bottom: calc(var(--spacing) * 3);
}

.api-key-reveal h2 {
    margin-bottom: var(--spacing);
}

.api-key-display {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 1.5);
    margin: calc(var(--spacing) * 1.5) 0;
}

.api-key-display code {
    flex: 1;
    font-family: monospace;
    font-size: 0.95rem;
    word-break: break-all;
    color: var(--color-text);
}

.api-key-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 1.5);
}

.api-key-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 1.5);
    transition: border-color 0.2s ease;
}

.api-key-item:hover {
    border-color: var(--color-primary);
}

.api-key-item-revoked {
    opacity: 0.6;
    border-style: dashed;
}

.api-key-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing);
    margin-bottom: var(--spacing);
}

.api-key-item-info {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 1);
    flex-wrap: wrap;
}

.api-key-label {
    font-weight: 600;
    color: var(--color-text);
}

.env-badge {
    display: inline-block;
    padding: calc(var(--spacing) / 4) calc(var(--spacing) * 1);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.env-badge-live {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.env-badge-sandbox {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.api-key-status {
    font-size: 0.8rem;
    font-weight: 600;
}

.api-key-status-active {
    color: var(--color-success);
}

.api-key-status-revoked {
    color: var(--color-error);
}

.api-key-item-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: calc(var(--spacing) / 2);
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.api-key-prefix code {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--color-text);
}

.api-key-item-actions {
    display: flex;
    gap: var(--spacing);
    margin-top: var(--spacing);
}

.api-key-action-form {
    display: inline;
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: calc(var(--spacing) / 2);
}

.alert {
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 1.5);
    margin-bottom: calc(var(--spacing) * 2);
}

.alert-info {
    background: var(--color-primary-light);
    color: var(--color-text);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: #92400e;
}

.alert-error {
    background: var(--color-error-bg);
    color: #991b1b;
}

/* Responsive */
@media (max-width: 900px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .account-layout {
        grid-template-columns: 1fr;
    }

    .subscription-layout {
        grid-template-columns: 1fr;
    }

    .api-keys-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: calc(var(--spacing) * 2);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

    .main-nav.nav-open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .pricing-price {
        font-size: 2rem;
    }

    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .register-form {
        padding: calc(var(--spacing) * 2);
    }

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

    .api-toc ul {
        flex-wrap: wrap;
    }

    .api-table {
        font-size: 0.8rem;
    }

    .privacy-placeholder-list {
        grid-template-columns: 1fr;
    }
}

/* API-Dokumentation */
.api-toc {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    margin: calc(var(--spacing) * 4) auto;
    max-width: 800px;
}

.api-toc h2 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing);
}

.api-toc ul {
    display: flex;
    gap: calc(var(--spacing) * 2);
    list-style: none;
    flex-wrap: wrap;
}

.api-toc a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.api-toc a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.api-endpoint {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: calc(var(--spacing) * 3);
    margin-bottom: calc(var(--spacing) * 3);
    box-shadow: var(--shadow);
}

.api-endpoint h3 {
    display: inline-block;
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing);
}

.api-method {
    display: inline-block;
    padding: calc(var(--spacing) / 4) calc(var(--spacing));
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: var(--spacing);
    vertical-align: middle;
}

.api-method-get {
    background: #d1fae5;
    color: #065f46;
}

.api-method-post {
    background: #dbeafe;
    color: #1e40af;
}

.api-detail {
    margin-top: calc(var(--spacing) * 2);
}

.api-detail h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: calc(var(--spacing) * 2);
    margin-bottom: var(--spacing);
}

.api-callout {
    background: #f3f4f6;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 2);
    margin: calc(var(--spacing) * 2) 0;
    overflow-x: auto;
}

.api-callout pre {
    margin: 0;
}

.api-callout code,
.api-endpoint code,
.api-detail code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.85rem;
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-text);
}

.api-callout pre code,
.api-detail pre code {
    background: none;
    padding: 0;
    font-size: 0.82rem;
    line-height: 1.5;
    white-space: pre;
}

.api-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: calc(var(--spacing) * 3);
    font-size: 0.9rem;
}

.api-table th,
.api-table td {
    text-align: left;
    padding: calc(var(--spacing)) calc(var(--spacing) * 1.5);
    border-bottom: 1px solid var(--color-border);
}

.api-table th {
    font-weight: 600;
    color: var(--color-text-light);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.api-table td:nth-child(2) {
    text-align: center;
    font-weight: 600;
}

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

.api-table tr:hover {
    background: var(--color-bg);
}