:root {
    --bg: #f5f7fb;
    --panel: #ffffff;
    --panel-alt: #eef2ff;
    --text: #172033;
    --muted: #6b7287;
    --border: #d8def1;
    --primary: #1958ff;
    --primary-dark: #123fd4;
    --danger: #d6435f;
    --success: #1f9d62;
    --shadow: 0 20px 60px rgba(17, 24, 39, 0.12);
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(25, 88, 255, 0.08), transparent 24%),
        linear-gradient(180deg, #f8faff 0%, #eef2fb 100%);
}

a {
    color: var(--primary);
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}

.login-shell {
    width: min(100%, 460px);
}

.login-card,
.panel-card,
.stat-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(216, 222, 241, 0.9);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.login-card {
    padding: 30px;
}

.admin-shell {
    display: grid;
    min-height: 100vh;
}

.admin-sidebar {
    background: #111827;
    color: #f8fafc;
    padding: 28px 22px;
}

.brand-block h1 {
    margin: 6px 0 0;
    font-size: 1.7rem;
}

.brand-logo {
    display: block;
    object-fit: contain;
}

.brand-logo--sidebar {
    width: min(100%, 210px);
    max-height: 68px;
    margin-top: 8px;
    filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.35));
}

.brand-logo--login {
    width: min(100%, 260px);
    max-height: 82px;
    margin: 0 auto 14px;
}

.brand-kicker {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    color: #8db4ff;
}

.admin-nav {
    display: grid;
    gap: 10px;
    margin-top: 28px;
}

.admin-nav-link {
    color: #dbe6ff;
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255,255,255,0.04);
}

.admin-nav-link:hover,
.admin-nav-link:focus-visible {
    background: rgba(255,255,255,0.1);
}

.admin-nav-link--danger {
    color: #ffc5ce;
}

.admin-user {
    margin-top: 24px;
    color: #97a7c3;
    font-size: 0.95rem;
}

.language-switcher {
    display: inline-flex;
    gap: 6px;
    padding: 5px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.language-switcher a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    color: #dbe6ff;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
}

.language-switcher a.is-active {
    color: #111827;
    background: #ffffff;
}

.language-switcher--sidebar {
    margin-top: 22px;
}

.language-switcher--login {
    margin-bottom: 18px;
}

.admin-main {
    padding: 24px;
}

.page-header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.page-header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.bulk-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 18px;
}

.page-header h2 {
    margin: 6px 0;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.page-header p,
.meta-text,
.field small,
.empty-state {
    color: var(--muted);
}

.stats-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    padding: 20px;
}

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 10px;
}

.stat-card strong {
    display: block;
    font-size: 1.15rem;
}

.panel-card {
    padding: 22px;
    margin-bottom: 24px;
}

.panel-card--form {
    max-width: 760px;
}

.panel-card__header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 18px;
}

.panel-card__header a {
    color: var(--primary);
}

.stack-form {
    display: grid;
    gap: 16px;
}

.stack-form--busy {
    position: relative;
}

.form-loading {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 24px;
    border-radius: 24px;
    background: rgba(245, 247, 251, 0.88);
    backdrop-filter: blur(6px);
    z-index: 5;
}

.form-loading__card {
    min-width: min(100%, 320px);
    display: grid;
    justify-items: center;
    gap: 14px;
    padding: 24px 22px;
    text-align: center;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(216, 222, 241, 0.92);
    box-shadow: var(--shadow);
}

.form-loading__spinner {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 4px solid rgba(25, 88, 255, 0.14);
    border-top-color: var(--primary);
    border-right-color: var(--primary-dark);
    animation: formSpin 0.8s linear infinite;
}

.form-loading__title {
    font-size: 1.05rem;
    font-weight: 700;
}

.form-loading__text {
    color: var(--muted);
    line-height: 1.5;
}

.field {
    display: grid;
    gap: 8px;
}

.field-grid {
    display: grid;
    gap: 16px;
}

.field-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field span {
    font-weight: 600;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
    font: inherit;
    background: #fff;
    color: var(--text);
}

.static-field {
    background: var(--panel-alt);
    border-radius: 18px;
    padding: 14px 16px;
    border: 1px solid var(--border);
}

.qr-stack {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.image-stack {
    display: grid;
    gap: 12px;
    justify-items: start;
}

.checkbox-row {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    color: var(--text);
}

.checkbox-row input {
    width: auto;
}

.primary-button,
.secondary-button,
.inline-button {
    appearance: none;
    border: 0;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: 999px;
    font: inherit;
    font-weight: 700;
}

.primary-button {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 12px 24px rgba(25, 88, 255, 0.25);
}

.secondary-button {
    color: var(--text);
    background: #edf1fb;
}

.inline-button {
    color: var(--danger);
    background: rgba(214, 67, 95, 0.08);
}

.inline-button--danger {
    color: var(--danger);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.form-actions--center {
    justify-content: center;
    margin-top: 16px;
}

.primary-button[disabled],
.secondary-button[aria-disabled="true"] {
    opacity: 0.7;
    pointer-events: none;
}

.alert {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 18px;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(31, 157, 98, 0.1);
    color: #196946;
    border-color: rgba(31, 157, 98, 0.18);
}

.alert-error {
    background: rgba(214, 67, 95, 0.1);
    color: #8f2339;
    border-color: rgba(214, 67, 95, 0.18);
}

.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    text-align: left;
    vertical-align: top;
    padding: 14px 10px;
    border-bottom: 1px solid var(--border);
}

.actions-cell {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

@keyframes formSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.actions-cell a {
    color: var(--primary);
    text-decoration: none;
}

.actions-cell form {
    margin: 0;
}

.qr-thumb {
    width: 90px;
    height: 90px;
    object-fit: contain;
    background: #fff;
    border-radius: 14px;
    padding: 6px;
    border: 1px solid var(--border);
}

.photo-thumb {
    width: 110px;
    height: 110px;
    object-fit: cover;
    background: #fff;
    border-radius: 16px;
    padding: 6px;
    border: 1px solid var(--border);
}

audio {
    max-width: 240px;
}

@media (min-width: 920px) {
    .admin-shell {
        grid-template-columns: 280px 1fr;
    }

    .admin-main {
        padding: 34px;
    }

    .stats-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .page-header {
        align-items: center;
        justify-content: space-between;
        flex-direction: row;
    }
}

@media (max-width: 640px) {
    .field-grid--two {
        grid-template-columns: 1fr;
    }
}