.search-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.search-modal-header h2 {
    margin: 0;
    font-size: 1rem;
}

.search-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.search-modal-form {
    position: relative;
    width: 100%;
}

.site-dialog {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.site-dialog-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(12, 8, 23, 0.58);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.site-dialog-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 420px);
    padding: 1.35rem 1.35rem 1.25rem;
}

.site-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.site-dialog-header h2 {
    margin: 0;
    font-size: 1.05rem;
}

.site-dialog-close {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
}

.site-dialog-copy {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.site-dialog-panel-wide {
    width: min(100%, 600px);
}

.site-dialog-body {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-height: 60vh;
    overflow-y: auto;
}

.site-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
}

body.site-dialog-open {
    overflow: hidden;
}

.changelog-notify-entry {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.changelog-notify-entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.changelog-notify-entry:first-child {
    padding-top: 0;
}

.changelog-notify-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

.changelog-notify-title {
    display: block;
    font-size: 0.97rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.changelog-notify-list {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.error-popup-details {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-secondary);
    margin: 0 0 1rem;
    max-height: 160px;
    overflow-y: auto;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* === Main Content === */
.main-content {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.glass-card {
    background: var(--bg-secondary);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    position: relative;
}

.admin-login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 2rem 1rem;
}

.admin-login-card {
    width: 100%;
    max-width: 380px;
}

.admin-login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.admin-login-error {
    color: #e53e3e;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    padding: 0.5rem 0.75rem;
    background: rgba(229, 62, 62, 0.1);
    border: 1px solid rgba(229, 62, 62, 0.3);
    border-radius: var(--radius);
}

.admin-login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.admin-form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.admin-input {
    padding: 0.55rem 0.9rem;
    border-radius: var(--radius);
    border: var(--glass-border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition);
}

.admin-input:focus {
    border-color: var(--accent-purple);
}

.admin-login-btn {
    margin-top: 0.25rem;
    width: 100%;
    justify-content: center;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1,
.mobile-discovery-header h1,
.model-detail-info h1,
.home-hero h1,
.error-page h1 {
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: var(--heading-gradient);
    background-size: 200% 200%;
    animation: ui-gradient-shift 14s ease-in-out infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.3rem 0.6rem 0.3rem 0.45rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: all var(--transition);
}

.back-link svg {
    width: 0.85rem;
    height: 0.85rem;
    flex-shrink: 0;
    stroke: currentcolor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.back-link:hover {
    color: var(--accent-purple);
    border-color: var(--border);
    background: var(--bg-secondary);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.52rem 1.2rem;
    border-radius: var(--radius);
    border: 1px solid var(--button-secondary-border);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    color: var(--text-primary);
    background: var(--button-secondary-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: 0 2px 8px rgba(178, 155, 255, 0.08);
    white-space: nowrap;
}

.btn:hover {
    background: var(--button-secondary-hover);
    color: var(--text-primary);
    border-color: var(--accent-purple);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(178, 155, 255, 0.16);
}

.btn-secondary {
    background: var(--button-secondary-bg);
    border-color: var(--button-secondary-border);
}

.btn-primary {
    border: 1.5px solid transparent;
    border-radius: calc(var(--radius) + 2px);
    background:
        var(--button-gradient) padding-box,
        var(--button-gradient) border-box;
    background-size:
        200% 200%,
        200% 200%;
    animation: ui-gradient-shift-dual 8s ease-in-out infinite;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--button-foreground);
    text-shadow: none;
    box-shadow: 0 8px 20px var(--button-primary-glow);
}

[data-theme="dark"] .btn-primary {
    box-shadow:
        0 0 0 1px rgba(178, 155, 255, 0.25),
        0 0 12px rgba(124, 92, 255, 0.3),
        0 8px 20px rgba(0, 0, 0, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
    background:
        var(--button-gradient) padding-box,
        var(--button-gradient) border-box;
    color: var(--button-foreground);
    filter: brightness(1.08);
    border-color: transparent;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.28rem 0.7rem;
    font-size: 0.78rem;
}

.btn-large {
    padding: 0.85rem 2.25rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 999px;
    letter-spacing: 0.02em;
}