/* ================================================================
   🎨 EDIT COLORS HERE
   ================================================================
   These are the only lines you need to touch to re-theme the
   whole site. Each line is a color used somewhere on the page.
   Colors can be typed as names ("teal"), or hex codes (#0d9488).
   There are two sets: one for light mode, one for dark mode.
   ================================================================ */
:root {
    /* ---- Light mode ---- */
    --bg: #f3f5f9;
    --surface: #ffffff;
    --surface-2: #f8f9fc;
    --text: #29303d;
    --heading: #0f172a;
    --muted: #6b7280;
    --muted-2: #8994a3;
    --border: #e2e6ed;
    --border-light: #edf0f5;

    --accent: #0d9488;          /* primary brand color (buttons, links, focus) */
    --accent-strong: #0f766e;   /* hover/active state of primary color */
    --accent-contrast: #ffffff; /* text color placed on top of accent */
    --accent-soft: #d3f5ef;     /* pale accent background, e.g. badges */
    --accent-soft-text: #0b6b60;

    --gold: #ca8a04;            /* secondary accent, used for batch badge */
    --gold-soft: #fdf3d8;

    --danger: #dc4c3f;

    --card-shadow: rgba(15, 23, 42, 0.06);
    --card-shadow-hover: rgba(15, 23, 42, 0.12);
    --modal-overlay: rgba(15, 23, 42, 0.55);
    --skeleton-base: #e8ebf1;
    --skeleton-shine: #f6f8fb;
    --focus-ring: #0d9488;
}

[data-theme="dark"] {
    /* ---- Dark mode ---- */
    --bg: #0b1220;
    --surface: #141d2e;
    --surface-2: #101828;
    --text: #d7dee9;
    --heading: #f3f6fb;
    --muted: #9aa4b5;
    --muted-2: #7c8698;
    --border: #253045;
    --border-light: #1d2740;

    --accent: #2dd4bf;
    --accent-strong: #5eead4;
    --accent-contrast: #062421;
    --accent-soft: #113b36;
    --accent-soft-text: #6ee7d7;

    --gold: #eab308;
    --gold-soft: #3a2f0c;

    --danger: #ef6a5c;

    --card-shadow: rgba(0, 0, 0, 0.35);
    --card-shadow-hover: rgba(0, 0, 0, 0.55);
    --modal-overlay: rgba(0, 0, 0, 0.72);
    --skeleton-base: #1a2437;
    --skeleton-shine: #223050;
    --focus-ring: #5eead4;
}

/* ================================================================
   Base
   ================================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: clamp(14px, 1.1vw + 10px, 17px);
    /* Prevent iOS text auto-zoom flicker on rotate */
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    padding: clamp(14px, 3vw, 28px);
    min-height: 100vh;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Monospace stack for data that benefits from fixed-width characters
   (IDs, phone numbers, transaction codes) — uses the OS's built-in
   monospace font so no extra font file has to be downloaded. */
.mono {
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", "Consolas", monospace;
    letter-spacing: 0.01em;
}

:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
    border-radius: 4px;
}

img {
    max-width: 100%;
    display: block;
}

/* ================================================================
   Top bar
   ================================================================ */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    max-width: 1240px;
    margin: 0 auto clamp(18px, 3vw, 28px);
    padding-top: clamp(4px, 1vw, 10px);
}

h1 {
    text-align: center;
    color: var(--heading);
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: clamp(1.5rem, 1rem + 2vw, 2.25rem);
}

.subtitle {
    display: block;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 6px;
    letter-spacing: 0.02em;
}

.logout-btn {
    right: 58px !important;
    font-size: 17px;
    color: var(--danger);
}

@media (max-width: 640px) {
    .logout-btn {
        right: 48px !important;
    }
}

.theme-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px var(--card-shadow);
    transition: transform 0.18s ease, background-color 0.25s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 4px 14px var(--card-shadow-hover);
}

.theme-toggle:active {
    transform: translateY(-50%) scale(0.94);
}

/* ================================================================
   Search bar
   ================================================================ */
.search-container {
    text-align: center;
    margin: 0 auto clamp(20px, 3vw, 30px);
    max-width: 1240px;
}

.search-wrap {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    pointer-events: none;
    width: 18px;
    height: 18px;
}

#search-input {
    width: 100%;
    padding: 13px 20px 13px 46px;
    border: 1.5px solid var(--border);
    border-radius: 999px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    background-color: var(--surface);
    color: var(--text);
    box-shadow: 0 2px 10px var(--card-shadow);
    transition: box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.25s ease;
}

#search-input::placeholder {
    color: var(--muted-2);
}

#search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 4px 16px var(--card-shadow-hover);
}

.results-count {
    margin-top: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    min-height: 1.1em;
}

/* ================================================================
   Grid layout — fluid across phones, tablets, laptops, ultrawide
   ================================================================ */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(150px, 20vw, 226px), 1fr));
    gap: clamp(12px, 2vw, 20px);
    max-width: 1240px;
    margin: 0 auto;
}

.status-message {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--muted);
    padding: 60px 20px;
}

.status-message.error {
    color: var(--danger);
}

.status-message .retry-btn {
    display: inline-block;
    margin-top: 16px;
    padding: 9px 22px;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    font-family: inherit;
    transition: background-color 0.2s ease, transform 0.15s ease;
}

.status-message .retry-btn:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
}

/* ================================================================
   Card
   ================================================================ */
.card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 22px 16px 18px;
    text-align: center;
    box-shadow: 0 2px 10px var(--card-shadow);
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    content-visibility: auto;
    contain-intrinsic-size: 226px 210px;
}

.card:hover,
.card:focus-visible {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px var(--card-shadow-hover);
    border-color: var(--accent);
}

.card-photo-wrap {
    position: relative;
    width: 92px;
    height: 92px;
    border-radius: 50%;
    margin-bottom: 14px;
    background: linear-gradient(100deg, var(--skeleton-base) 30%, var(--skeleton-shine) 50%, var(--skeleton-base) 70%);
    background-size: 250% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
    padding: 3px;
    flex-shrink: 0;
}

/* This is the fixed block with the correct mask properties */
.card-photo-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.card-photo-wrap.loaded::before {
    opacity: 1;
}

.card-photo-wrap img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.card-photo-wrap img.loaded {
    opacity: 1;
}

.card-photo-wrap.loaded {
    animation: none;
    background: var(--surface);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.card h3 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 8px;
    word-break: break-word;
    line-height: 1.3;
}

.card-id {
    font-family: ui-monospace, "SF Mono", "Cascadia Mono", "Consolas", monospace;
    font-size: 0.72rem;
    color: var(--muted);
    word-break: break-all;
    margin-bottom: 10px;
}

.batch-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--gold);
    background: var(--gold-soft);
    padding: 3px 10px;
    border-radius: 999px;
}

/* ================================================================
   Pagination
   ================================================================ */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin: clamp(28px, 4vw, 40px) 0 15px;
    flex-wrap: wrap;
}

.pagination-container button {
    padding: 8px 14px;
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.85rem;
    font-family: inherit;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
    min-width: 40px;
}

.pagination-container button:hover:not(:disabled) {
    background-color: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
    transform: translateY(-1px);
}

.pagination-container button.active {
    background-color: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
}

.pagination-container button:disabled {
    background-color: var(--surface-2);
    color: var(--muted-2);
    border-color: var(--border-light);
    cursor: not-allowed;
}

.pagination-container .dots {
    padding: 0 4px;
    color: var(--muted-2);
    font-weight: 700;
}

/* ================================================================
   Modal
   ================================================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: var(--modal-overlay);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
    backdrop-filter: blur(2px);
}

.modal-content {
    background-color: var(--surface);
    padding: 28px 24px 24px;
    border-radius: 18px;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    text-align: center;
    animation: modal-in 0.18s ease;
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    color: var(--muted);
    border-radius: 50%;
    line-height: 1;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.close-btn:hover {
    color: var(--text);
    background-color: var(--surface-2);
}

#modal-body .modal-photo-wrap {
    width: 108px;
    height: 108px;
    margin: 0 auto 16px;
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
}

#modal-body img,
#modal-body .initials-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--surface);
}

#modal-body h2 {
    margin-bottom: 4px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--heading);
    word-break: break-word;
}

#modal-body .modal-batch {
    margin-bottom: 18px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    text-align: left;
    padding: 10px 2px;
    border-bottom: 1px solid var(--border-light);
}

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

.info-row-text {
    flex: 1;
    min-width: 0;
}

.info-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted-2);
    margin-bottom: 2px;
}

.info-value {
    display: block;
    font-size: 0.9rem;
    color: var(--text);
    word-break: break-word;
}

.copy-btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 11px;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: inherit;
    color: var(--accent-soft-text);
    background: var(--accent-soft);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
    white-space: nowrap;
}

.copy-btn svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--accent);
    color: var(--accent-contrast);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-btn.copied {
    background: var(--accent);
    color: var(--accent-contrast);
}

/* ---------- CSS avatar for missing photos ---------- */
.initials-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: #ffffff;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card .initials-avatar {
    font-size: 30px;
}

#modal-body .initials-avatar {
    font-size: 38px;
}

/* ================================================================
   Responsive breakpoints
   ================================================================ */
@media (max-width: 900px) {
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    }
}

@media (max-width: 640px) {
    .top-bar {
        margin-bottom: 18px;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 17px;
    }

    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }

    .card {
        padding: 16px 10px 14px;
    }

    .card-photo-wrap {
        width: 78px;
        height: 78px;
    }

    .pagination-container button {
        padding: 6px 10px;
        font-size: 0.78rem;
        min-width: 34px;
    }
}

@media (max-width: 380px) {
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(122px, 1fr));
        gap: 10px;
    }

    .modal-content {
        padding: 22px 16px 18px;
    }

    .copy-btn span.copy-btn-text {
        display: none;
    }
}

@media (min-width: 1500px) {
    .top-bar,
    .search-container,
    .grid-container {
        max-width: 1400px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .theme-toggle,
    .search-container,
    .pagination-container {
        display: none;
    }
}