/* Header & Nav */
header {
    background: var(--color-header);
    color: var(--color-bg-white);
    padding: 0 24px;
    box-shadow: var(--shadow-header);
}

header nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

header nav .logo {
    color: var(--color-bg-white);
    font-size: 1.25rem;
    font-weight: 700;
}

header nav .logo:hover {
    text-decoration: none;
}

.nav-links .nav-separator,
.public-nav .nav-separator {
    color: var(--rgba-white-30);
    font-size: 0.75rem;
    padding: 0 4px;
    user-select: none;
}

/* Main */
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

/* Footer */
footer {
    text-align: center;
    padding: 16px;
    color: var(--color-faint);
    font-size: 0.8rem;
    border-top: 1px solid var(--color-table-border);
    margin-top: auto;
}

/* Auth pages */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-auth-bg);
}

.auth-container {
    background: var(--color-bg-white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-auth);
    width: 100%;
    max-width: 420px;
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--color-header);
    font-size: 1.5rem;
}

.auth-home-link {
    position: fixed;
    top: 16px;
    left: 20px;
    color: var(--color-header);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    z-index: 100;
}

.auth-home-link:hover {
    color: #3498db;
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.auth-container form {
    gap: 14px;
}

.auth-container input[type="email"],
.auth-container input[type="password"],
.auth-container input[type="text"] {
    max-width: 100%;
}

.auth-container .btn-primary {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    margin-top: 8px;
}

.auth-link {
    text-align: center;
    font-size: 0.9rem;
    margin-top: 8px;
}

/* Pending email verification banner */
.pending-banner {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    border: 1px solid var(--color-warning-border);
    border-left: 4px solid var(--color-warning-border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.pending-banner-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    line-height: 1;
    padding-top: 2px;
}

.pending-banner-content {
    flex: 1;
    min-width: 0;
}

.pending-banner-content strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.pending-banner-content p {
    margin: 0;
    line-height: 1.4;
}

@media (max-width: 480px) {
    .pending-banner {
        flex-direction: column;
        gap: 8px;
        padding: 12px;
    }

    .pending-banner-icon {
        font-size: 1.2rem;
    }
}

/* Error pages */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-bg);
    text-align: center;
}

.error-page .error-content {
    max-width: 500px;
    padding: 40px;
}

.error-page .error-code {
    font-size: 6rem;
    font-weight: 700;
    color: var(--color-header);
    line-height: 1;
    margin-bottom: 16px;
}

.error-page .error-message {
    font-size: 1.2rem;
    color: var(--color-text-dark);
    margin-bottom: 24px;
}

.error-page .error-link {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-primary);
    color: var(--color-bg-white);
    border-radius: var(--radius);
}

.error-page .error-link:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
}

/* Zone status bar */
.zone-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.zone-status-bar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Records table */
.records-table td {
    vertical-align: middle;
}

.records-table .txt-data-truncated {
    color: var(--color-text-muted);
    max-width: 400px;
    word-break: break-all;
    white-space: pre-wrap;
}

.records-table .txt-data-expanded {
    max-width: 400px;
    word-break: break-all;
    white-space: pre-wrap;
}

.records-table .btn-expand {
    padding: 1px 4px;
    font-size: 0.7rem;
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    line-height: 1.2;
}

.records-table .btn-expand:hover {
    opacity: 0.85;
}

.records-table .txt-expanded .txt-data-expanded {
    max-width: 400px;
    display: inline-block;
}

#record_data {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    max-width: 100%;
    resize: vertical;
    line-height: 1.5;
}

/* Zones table */
.zones-table td {
    vertical-align: middle;
}

/* Records table action buttons */
.records-table .btn-small {
    padding: 3px 10px;
    font-size: 0.75rem;
}

/* Icon buttons in records table actions */
.records-table .actions-cell {
    white-space: nowrap;
}

.records-table .btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    font-size: 0.85rem;
    text-decoration: none;
    border-radius: var(--radius);
    background: var(--color-primary);
    color: var(--color-bg-white);
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

.records-table .btn-icon:hover {
    opacity: 0.85;
}

.records-table .btn-icon.btn-icon-danger {
    background: var(--color-error);
}

.records-table .btn-icon.btn-icon-success {
    background: var(--color-success);
}

/* Icon group wrapper — keeps icons horizontal on mobile card view */
.icon-group {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 4px;
    align-items: center;
}

/* Labels section add button */
.labels-section .btn-secondary {
    padding: 3px 10px;
    font-size: 0.75rem;
}

/* Health toggle label */
.health-toggle label {
    margin-bottom: 0;
}

/* Health switch input */
.health-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

/* === Public pages === */

.public-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

.public-header {
    background: var(--color-header);
    color: var(--color-bg-white);
    padding: 0 24px;
    box-shadow: var(--shadow-header);
}

.public-header nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.public-header .logo {
    color: var(--color-bg-white);
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

.public-header .logo:hover {
    text-decoration: none;
}

.public-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.public-nav a {
    color: var(--color-nav-link);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition);
}

.public-nav a:hover,
.public-nav a.active {
    color: var(--color-bg-white);
    text-decoration: none;
}

.public-main {
    flex: 1;
}

.hero-section {
    background: var(--gradient-hero);
    color: var(--color-bg-white);
    text-align: center;
    padding: 64px 24px;
}

.hero-section h1 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.hero-section p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 8px;
}

.hero-section .free-badge {
    display: inline-block;
    background: var(--rgba-white-15);
    border: 1px solid var(--rgba-white-30);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 28px;
}

.cta-buttons a {
    display: inline-block;
    padding: 10px 28px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: opacity var(--transition);
}

.cta-buttons a:hover {
    opacity: 0.85;
    text-decoration: none;
}

.cta-buttons .btn-primary {
    background: var(--color-bg-white);
    color: var(--color-header);
}

.cta-buttons .btn-secondary {
    background: var(--rgba-white-15);
    color: var(--color-bg-white);
    border: 1px solid var(--rgba-white-40);
}

.section-title {
    text-align: center;
    font-size: 1.6rem;
    color: var(--color-header);
    margin-bottom: 32px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.features-section {
    padding: 48px 0 32px;
    background: var(--color-bg-white);
}

.feature-card {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--color-border);
}

.feature-card h3 {
    font-size: 1rem;
    color: var(--color-header);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--color-text-dark);
    line-height: 1.5;
}

.steps-section {
    padding: 40px 0 56px;
    background: var(--color-bg);
}

.steps-list {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
    list-style: none;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.step-item:last-child {
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-bg-white);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-item p {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.5;
}

.step-item strong {
    color: var(--color-header);
}

.page-content {
    padding: 40px 0;
    background: var(--color-bg-white);
    min-height: 60vh;
}

.page-content-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-content h1 {
    font-size: 1.8rem;
    color: var(--color-header);
    margin-bottom: 20px;
}

.page-content h2 {
    font-size: 1.3rem;
    color: var(--color-header);
    margin-bottom: 16px;
    margin-top: 28px;
}

.page-content p {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    line-height: 1.7;
    margin-bottom: 12px;
}

.page-content ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.page-content ul li {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    line-height: 1.6;
    margin-bottom: 6px;
}

.page-content .email-link {
    display: inline-block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 8px 0;
}

.page-content .email-link:hover {
    text-decoration: underline;
}

.faq-accordion {
    padding: 40px 0;
    background: var(--color-bg-white);
}

.faq-accordion-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    overflow: hidden;
    background: var(--color-bg-white);
}

.faq-question {
    width: 100%;
    background: var(--color-bg-light);
    border: none;
    padding: 14px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-header);
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.4;
    transition: background var(--transition);
}

.faq-question:hover {
    background: var(--color-faq-hover);
}

.faq-question::after {
    content: '+';
    float: right;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-faint);
    transition: transform var(--transition);
}

.faq-question.active::after {
    content: '−';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-inner {
    padding: 14px 20px;
    font-size: 0.9rem;
    color: var(--color-text-dark);
    line-height: 1.6;
    border-top: 1px solid var(--color-border);
}

.public-footer {
    background: var(--color-header);
    color: var(--color-nav-link);
    padding: 32px 24px 20px;
}

.public-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 24px;
}

.public-footer h4 {
    color: var(--color-bg-white);
    font-size: 0.9rem;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.public-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.public-footer ul li {
    margin-bottom: 6px;
}

.public-footer ul li a {
    color: var(--color-nav-link);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color var(--transition);
}

.public-footer ul li a:hover {
    color: var(--color-bg-white);
    text-decoration: none;
}

.public-footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--rgba-white-10);
    font-size: 0.8rem;
    color: var(--color-muted);
}

/* === API Docs === */

.api-docs-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 70vh;
}

.api-docs-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--color-bg-white);
    border-right: 1px solid var(--color-border);
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.api-docs-sidebar h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    padding-left: 12px;
}

.api-docs-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.api-docs-nav a {
    display: block;
    padding: 8px 12px;
    font-size: 0.9rem;
    color: var(--color-text-dark);
    text-decoration: none;
    border-radius: var(--radius);
    border-left: 3px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.api-docs-nav a:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
    text-decoration: none;
}

.api-docs-nav a.active {
    background: var(--rgba-primary-15);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 600;
}

.api-docs-content {
    flex: 1;
    padding: 32px 40px;
    max-width: 900px;
    min-width: 0;
}

.api-docs-lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.api-docs-lang-switch a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
}

.api-docs-lang-switch a:hover {
    color: var(--color-primary);
    background: var(--rgba-primary-15);
    text-decoration: none;
}

.api-docs-lang-switch a.active {
    color: var(--color-primary);
    background: var(--rgba-primary-15);
}

.api-docs-lang-separator {
    color: var(--color-border-dark);
}

.api-docs-body h1 {
    font-size: 1.8rem;
    color: var(--color-header);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
}

.api-docs-body h2 {
    font-size: 1.3rem;
    color: var(--color-header);
    margin-top: 32px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.api-docs-body h3 {
    font-size: 1.05rem;
    color: #34495e;
    margin-top: 24px;
    margin-bottom: 12px;
}

.api-docs-body p {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    line-height: 1.7;
    margin-bottom: 12px;
}

.api-docs-body pre {
    background: var(--color-code-bg);
    color: var(--color-code-text);
    padding: 16px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

.api-docs-body pre code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.api-docs-body code {
    background: var(--color-bg-light);
    color: var(--color-error);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.85rem;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.api-docs-body pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.api-docs-body table {
    width: 100%;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

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

.api-docs-body ul,
.api-docs-body ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.api-docs-body ul li,
.api-docs-body ol li {
    font-size: 0.95rem;
    color: var(--color-text-dark);
    line-height: 1.6;
    margin-bottom: 6px;
}

.api-docs-updated {
    margin-top: 40px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.api-docs-sidebar-toggle {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.api-docs-sidebar-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-muted);
    border-radius: 1px;
}

/* ==================== User-only responsive ==================== */

@media (max-width: 768px) {
    header nav {
        height: auto;
        padding: 12px 0;
    }

    .public-header nav {
        height: auto;
        padding: 12px 0;
    }

    .public-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 12px 0;
        gap: 0;
        border-top: 1px solid var(--rgba-white-10);
    }

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

    .public-nav a {
        padding: 8px 0;
        width: 100%;
        text-align: center;
    }

    .hero-section {
        padding: 40px 16px;
    }

    .hero-section h1 {
        font-size: 1.6rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        padding: 0 16px;
    }

    .features-section {
        padding: 32px 0 24px;
    }

    .steps-section {
        padding: 24px 0 32px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .cta-buttons a {
        width: 100%;
        max-width: 260px;
        text-align: center;
    }

    .public-footer-inner {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-content {
        padding: 24px 0;
    }

    .page-content-inner {
        padding: 0 16px;
    }

    .faq-accordion {
        padding: 24px 0;
    }

    .faq-accordion-inner {
        padding: 0 16px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .rfc-quote-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .rfc-quote-card {
        padding: 14px;
    }

    .label-pair {
        flex-direction: column;
        align-items: stretch;
    }

    .label-pair .btn-icon-remove {
        align-self: flex-end;
    }

    .label-filter {
        flex-wrap: wrap;
    }

    .api-docs-container {
        flex-direction: column;
    }

    .api-docs-sidebar {
        position: fixed;
        top: 0;
        left: -260px;
        z-index: 999;
        height: 100vh;
        transition: left 0.25s ease;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
        flex-shrink: 0;
    }

    .api-docs-sidebar.open {
        left: 0;
    }

    .api-docs-sidebar-toggle {
        display: flex;
        position: relative;
        align-self: flex-start;
        padding: 8px 0;
        width: 28px;
        height: 28px;
        cursor: pointer;
    }

    .api-docs-sidebar-toggle span {
        background: var(--color-text-dark);
    }

    .api-docs-content {
        padding: 24px 16px;
    }

    .api-docs-body h1 {
        font-size: 1.4rem;
    }

    .api-docs-body h2 {
        font-size: 1.15rem;
    }

    .api-docs-body pre {
        font-size: 0.8rem;
        padding: 12px;
    }

    .zone-status-bar {
        flex-direction: row;
        align-items: center;
    }

    .zone-status-bar-actions {
        flex-direction: row;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 32px 12px;
    }

    .hero-section h1 {
        font-size: 1.3rem;
    }

    .features-grid {
        padding: 0 12px;
    }

    .feature-card {
        padding: 16px;
    }

    .public-footer-inner {
        gap: 16px;
    }

    .page-content {
        padding: 16px 12px;
    }

    .faq-accordion {
        padding: 16px 12px;
    }

    .rfc-quote-card {
        padding: 12px;
    }

    .rfc-quote-number {
        width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }

    .rfc-quote-card blockquote {
        font-size: 0.88rem;
    }

    .zone-labels {
        gap: 0.125rem;
    }

    .label-badge {
        font-size: 0.6875rem;
        padding: 0.0625rem 0.375rem;
    }
}

@media (max-width: 360px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .api-docs-sidebar {
        width: 200px;
    }

    .api-docs-content {
        padding: 24px 24px;
    }
}

/* Yandex SmartCaptcha */
.auth-container .smart-captcha {
    display: flex;
    justify-content: center;
    margin: 4px 0;
}

@media (max-width: 768px) {
    .auth-container .smart-captcha {
        transform: scale(0.9);
        transform-origin: center;
    }
}