/* SYNAPSIS Theme - Light & Dark Mode */
:root {
    --color-bg: #ffffff;
    --color-bg-hover: #f4f4f4;
    --color-border: #e0e0e0;
    --color-text: #161616;
    --color-text-secondary: #525252;
    --color-accent: #161616;
    --color-accent-hover: #393939;
    --color-inverse: #ffffff;
}

html.dark {
    --color-bg: #161616;
    --color-bg-hover: #262626;
    --color-border: #393939;
    --color-text: #f4f4f4;
    --color-text-secondary: #a8a8a8;
    --color-accent: #f4f4f4;
    --color-accent-hover: #e0e0e0;
    --color-inverse: #161616;
}

/* Override Tailwind bg-white in dark mode */
html.dark .bg-white {
    background-color: #161616 !important;
}

/* Dark mode overrides for colored backgrounds */
html.dark .bg-yellow-50 {
    background-color: #292211 !important;
}
html.dark .bg-yellow-100 {
    background-color: #332b14 !important;
    color: #e2c97e !important;
}
html.dark .border-yellow-200 {
    border-color: #5c4a1e !important;
}
html.dark .border-yellow-400 {
    border-color: #a68523 !important;
}
html.dark .text-yellow-600 {
    color: #e2b93a !important;
}
html.dark .bg-blue-50 {
    background-color: #1a2332 !important;
}
html.dark .border-blue-400 {
    border-color: #3b82f6 !important;
}
html.dark .text-blue-600 {
    color: #60a5fa !important;
}
html.dark .bg-green-50 {
    background-color: #132917 !important;
}
html.dark .border-green-200 {
    border-color: #285e34 !important;
}
html.dark .bg-green-600 {
    background-color: #16a34a !important;
}
html.dark .text-green-600 {
    color: #4ade80 !important;
}
html.dark .text-purple-600 {
    color: #c084fc !important;
}
html.dark .text-orange-600 {
    color: #fb923c !important;
}
html.dark .text-gray-400 {
    color: #a8a8a8 !important;
}
html.dark .text-gray-500 {
    color: #8d8d8d !important;
}
html.dark .hover\:bg-gray-100:hover {
    background-color: #262626 !important;
}
html.dark .text-gray-600 {
    color: #a8a8a8 !important;
}
html.dark .text-gray-700 {
    color: #c6c6c6 !important;
}
html.dark .bg-gray-50 {
    background-color: #262626 !important;
}
html.dark .border-gray-200 {
    border-color: #393939 !important;
}
html.dark .bg-gray-100 {
    background-color: #262626 !important;
}

/* Survey form dark mode overrides */
html.dark .survey-info-blue {
    background-color: #1a2332 !important;
    border-left-color: #3b82f6 !important;
}
html.dark .survey-info-blue .text-gray-700 {
    color: #93c5fd !important;
}

/* Dark mode: keep accent sections dark (prevent text-color inversion) */
html.dark .bg-carbon-text {
    background-color: #262626 !important;
}
html.dark .text-carbon-bg {
    color: #161616 !important;
}

/* Dark mode header */
html.dark header.bg-white {
    background-color: #161616 !important;
}

/* Dark mode toggle button */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.theme-toggle:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

html.dark .theme-toggle .fa-moon { display: none; }
html.dark .theme-toggle .fa-sun { display: inline; }
html:not(.dark) .theme-toggle .fa-moon { display: inline; }
html:not(.dark) .theme-toggle .fa-sun { display: none; }

/* Logo line visibility in dark mode */
html.dark .header-logo line {
    stroke: #c0c0c0;
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children within revealed sections */
.reveal .stagger-child {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}
.reveal.active .stagger-child {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: 1.5rem;
}
.mobile-menu-overlay.open {
    transform: translateX(0);
}

/* ── Search ────────────────────────────────────────────────── */
.search-btn {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}
.search-btn:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
}
.search-overlay.open {
    opacity: 1;
    visibility: visible;
}

.search-dialog {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    width: 100%;
    max-width: 560px;
    max-height: 60vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    margin: 0 1rem;
}

.search-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}
.search-header i {
    color: var(--color-text-secondary);
    font-size: 14px;
}
.search-header input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 16px;
    font-family: 'IBM Plex Sans', sans-serif;
    background: transparent;
    color: var(--color-text);
}
.search-header input::placeholder {
    color: var(--color-text-secondary);
}
.search-header kbd {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    padding: 2px 6px;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    background: var(--color-bg-hover);
}

.search-results {
    overflow-y: auto;
    flex: 1;
}

.search-result {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text);
    transition: background 0.1s ease;
}
.search-result:hover,
.search-result.active {
    background: var(--color-bg-hover);
}
.search-result-page {
    font-size: 11px;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}
.search-result-heading {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}
.search-result-excerpt {
    font-size: 13px;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.search-footer {
    display: flex;
    gap: 16px;
    padding: 8px 16px;
    border-top: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-secondary);
}
/* ── Form Elements ─────────────────────────────────────────── */
.form-input {
    background: var(--color-bg);
    color: var(--color-text);
}

.search-footer kbd {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    padding: 1px 4px;
    border: 1px solid var(--color-border);
    margin-right: 4px;
}