/* ==========================================================================
   MNI Ingressos — Design System
   UI-UX-Pro-Max: Accessible, Responsive, Consistent
   ========================================================================== */

/* ===== Design Tokens ===== */
:root {
    /* Surfaces */
    --surface-0: #09090B;
    --surface-1: #0F0F12;
    --surface-2: #16161A;
    --surface-3: #1C1C21;
    --surface-hover: #22222A;
    --surface-input: #111115;

    /* Accent */
    --accent: #D4AF37;
    --accent-dark: #B8941E;
    --accent-light: #E8C84A;
    --accent-subtle: rgba(212,175,55,0.07);
    --accent-muted: rgba(212,175,55,0.15);

    /* Semantic */
    --success: #34D399;
    --success-bg: rgba(52,211,153,0.08);
    --success-border: rgba(52,211,153,0.2);
    --danger: #F87171;
    --danger-bg: rgba(248,113,113,0.08);
    --danger-border: rgba(248,113,113,0.2);

    /* Text */
    --text-1: #FAFAFA;
    --text-2: #A1A1AA;
    --text-3: #52525B;

    /* Borders */
    --border-1: rgba(255,255,255,0.06);
    --border-2: rgba(255,255,255,0.1);
    --border-accent: rgba(212,175,55,0.2);

    /* Misc */
    --radius-lg: 0.75rem;
    --radius-md: 0.5rem;
    --radius-sm: 0.375rem;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', var(--font-sans);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 150ms;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 100%; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
    font-family: var(--font-sans);
    background: var(--surface-0);
    color: var(--text-1);
    min-height: 100vh;
    line-height: 1.55;
    font-size: 0.875rem;
}
a { color: var(--accent); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--accent-light); }
::selection { background: var(--accent-muted); color: var(--text-1); }

/* ===== Focus Visible ===== */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ===== Background (public pages) ===== */
.page-ticket, .page-home {
    background: url('/assets/img/mni-mobile.webp') center/cover no-repeat fixed;
}
.ticket-bg { display: none; }

/* ==========================================================================
   Components
   ========================================================================== */

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.8125rem;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 0.5625rem 1rem;
    transition: all var(--duration) var(--ease);
    white-space: nowrap;
    user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #000;
    font-weight: 600;
    border-color: var(--accent-dark);
}
.btn-primary:hover { box-shadow: 0 0 16px rgba(212,175,55,0.2); }
.btn-primary:focus-visible { outline-color: var(--accent-light); }
.btn-outline {
    background: transparent;
    border-color: var(--border-2);
    color: var(--text-2);
}
.btn-outline:hover { border-color: var(--text-3); color: var(--text-1); }
.btn-gold {
    background: var(--accent-subtle);
    color: var(--accent);
    border-color: var(--border-accent);
}
.btn-gold:hover { background: var(--accent-muted); }
.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger-border);
}
.btn-danger:hover { background: rgba(248,113,113,0.14); }
.btn-sm { padding: 0.375rem 0.625rem; font-size: 0.75rem; }
.btn-full { width: 100%; }
.inline-form { display: inline; }

/* ===== Forms ===== */
.form-group { margin-bottom: 1.125rem; }
.form-group:last-child { margin-bottom: 0; }
.form-group label:not(.toggle) {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.form-group input,
textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: var(--surface-input);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    color: var(--text-1);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.form-group input:hover, textarea:hover { border-color: var(--text-3); }
.form-group input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}
.form-group input::placeholder, textarea::placeholder { color: var(--text-3); }
textarea { resize: vertical; line-height: 1.6; }
textarea.auto-height { overflow: hidden; resize: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.875rem; }
.form-hint {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-3);
    line-height: 1.7;
}
.form-hint code {
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.6875rem;
    font-weight: 500;
}

/* ===== Messages Grid ===== */
.messages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

/* ===== Variable Buttons ===== */
.var-buttons {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-top: 0.625rem;
}
.var-buttons__label {
    font-size: 0.75rem;
    color: var(--text-3);
    margin-right: 0.25rem;
}
.var-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
    border-radius: 1rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    line-height: 1.4;
}
.var-btn:hover {
    background: var(--accent-muted);
    border-color: var(--accent);
}
.var-btn:active {
    transform: scale(0.95);
}

/* ===== Toggle ===== */
.toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    cursor: pointer;
    user-select: none;
}
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle__switch {
    position: relative;
    width: 2.25rem;
    height: 1.25rem;
    background: var(--surface-3);
    border: 1px solid var(--border-2);
    border-radius: 0.625rem;
    transition: all var(--duration) var(--ease);
    flex-shrink: 0;
}
.toggle__switch::after {
    content: '';
    position: absolute;
    top: 0.125rem;
    left: 0.125rem;
    width: 0.875rem;
    height: 0.875rem;
    background: var(--text-3);
    border-radius: 50%;
    transition: all var(--duration) var(--ease);
}
.toggle input:checked + .toggle__switch {
    background: var(--accent-muted);
    border-color: var(--border-accent);
}
.toggle input:checked + .toggle__switch::after {
    left: calc(100% - 1rem);
    background: var(--accent);
}
.toggle input:focus-visible + .toggle__switch {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.toggle__text { font-size: 0.875rem; color: var(--text-2); }

/* ===== Alerts ===== */
.alert {
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}
.alert-success { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success); }
.alert-error { background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger); }
.alert a { color: inherit; text-decoration: underline; font-weight: 500; }

/* ===== Cards ===== */
.card {
    background: var(--surface-1);
    border: 1px solid var(--border-1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.card--section {
    padding: 1.5rem;
    margin-bottom: 1rem;
    overflow: visible;
}
.card__title {
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-1);
    margin-bottom: 0.125rem;
}
.card__desc {
    font-size: 0.8125rem;
    color: var(--text-3);
    margin-bottom: 1.25rem;
}

/* ==========================================================================
   Login & Home
   ========================================================================== */
.page-login, .page-home {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-container, .home-container {
    width: 100%;
    max-width: 24rem;
    padding: 1.25rem;
    position: relative;
    z-index: 1;
}
.login-card, .home-card {
    background: var(--surface-1);
    border: 1px solid var(--border-1);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 1.75rem; }
.logo-text {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.15em;
}
.logo-sub {
    display: block;
    font-size: 0.6875rem;
    color: var(--text-3);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.home-description {
    text-align: center;
    color: var(--text-2);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}
.home-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.125rem;
    border-top: 1px solid var(--border-1);
}
.home-footer p { font-size: 0.75rem; color: var(--text-3); }

/* ==========================================================================
   Admin Layout
   ========================================================================== */
.page-admin { background: var(--surface-0); }

/* Header */
.admin-header {
    background: var(--surface-1);
    border-bottom: 1px solid var(--border-1);
    padding: 0 1.25rem;
    height: 3.25rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.admin-header-inner {
    max-width: 72rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.admin-brand {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    text-decoration: none;
}
.brand-mark {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.1em;
}
.brand-label {
    font-size: 0.6875rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

/* Nav */
.admin-nav {
    display: flex;
    align-items: center;
    gap: 0.125rem;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-3);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
    text-decoration: none;
}
.nav-item svg { flex-shrink: 0; opacity: 0.6; }
.nav-item:hover { color: var(--text-2); background: rgba(255,255,255,0.03); }
.nav-item:hover svg { opacity: 0.8; }
.nav-item.is-active { color: var(--accent); background: var(--accent-subtle); }
.nav-item.is-active svg { opacity: 1; stroke: var(--accent); }
.nav-item--logout { color: var(--text-3); padding: 0.375rem 0.5rem; }
.nav-item--logout:hover { color: var(--danger); background: var(--danger-bg); }
.nav-item--logout:hover svg { opacity: 1; }
.nav-divider {
    width: 1px;
    height: 1.25rem;
    background: var(--border-1);
    margin: 0 0.375rem;
}

/* Main */
.admin-main { padding: 1.75rem 1.25rem 3rem; }
.admin-container { max-width: 72rem; margin: 0 auto; }
.admin-container--narrow { max-width: 38rem; }

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    gap: 1rem;
}
.page-header__left {
    display: flex;
    align-items: baseline;
    gap: 0.625rem;
}
.page-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-1);
}
.page-badge {
    font-size: 0.75rem;
    color: var(--text-3);
    font-weight: 500;
}

/* Toolbar / Search */
.toolbar { margin-bottom: 0.875rem; }
.search-form { display: flex; gap: 0.375rem; }
.search-input-wrap {
    position: relative;
    flex: 1;
}
.search-icon {
    position: absolute;
    left: 0.625rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-3);
    pointer-events: none;
}
.search-input-wrap input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2rem;
    background: var(--surface-input);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-sm);
    color: var(--text-1);
    font-family: var(--font-sans);
    font-size: 0.8125rem;
}
.search-input-wrap input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

/* ===== Table ===== */
.table-scroll { overflow-x: auto; }
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th {
    text-align: left;
    padding: 0.6875rem 1rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-3);
    border-bottom: 1px solid var(--border-1);
    background: var(--surface-2);
    white-space: nowrap;
}
.table td {
    padding: 0.6875rem 1rem;
    font-size: 0.8125rem;
    border-bottom: 1px solid var(--border-1);
    color: var(--text-2);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background var(--duration) var(--ease); }
.table tbody tr:hover td { background: var(--surface-hover); }
.table code {
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'SFMono-Regular', Consolas, monospace;
}
.td-name { color: var(--text-1); font-weight: 500; }
.td-date { white-space: nowrap; }
.th-actions, .td-actions { text-align: right; white-space: nowrap; }
.td-actions .btn + .inline-form,
.td-actions .inline-form + .btn { margin-left: 0.25rem; }

.empty-state {
    padding: 3rem 1rem !important;
}
.empty-state__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-3);
}
.empty-state__inner svg { opacity: 0.4; }
.empty-state__inner p { font-size: 0.875rem; }

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1rem;
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
}
.modal.is-active { display: flex; }
.modal__card {
    background: var(--surface-1);
    border: 1px solid var(--border-2);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    width: 100%;
    max-width: 26rem;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
    animation: modalIn 200ms var(--ease);
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}
.modal__header h2 {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 700;
}
.modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-3);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    line-height: 1;
}
.modal__close:hover { background: rgba(255,255,255,0.05); color: var(--text-1); border-color: var(--border-2); }

/* ==========================================================================
   Ticket Page (Public)
   ========================================================================== */
.page-ticket {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.25rem;
}
.ticket-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 26rem;
}
.ticket-card {
    background: rgba(10,10,10,0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-accent);
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 0 0 1px rgba(212,175,55,0.06), 0 8px 40px rgba(0,0,0,0.4), 0 0 60px rgba(212,175,55,0.03);
}
.ticket-header { padding: 1.75rem 1.5rem 1.125rem; text-align: center; }
.ticket-badge {
    display: inline-block;
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid rgba(212,175,55,0.12);
    padding: 0.25rem 0.875rem;
    border-radius: 1.25rem;
    margin-bottom: 0.875rem;
}
.ticket-event-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.ticket-subtitle {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--text-2);
    margin-top: 0.25rem;
    letter-spacing: 0.02em;
}
.ticket-date {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 0.75rem;
}
.ticket-date-time {
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--text-2);
}
.ticket-weekdays {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    font-style: italic;
    color: var(--text-2);
    margin-top: 0.25rem;
    letter-spacing: 0.02em;
}

/* Divider */
.ticket-divider { position: relative; height: 1.5rem; display: flex; align-items: center; }
.ticket-notch {
    position: absolute;
    width: 1.5rem; height: 1.5rem;
    background: rgba(10,10,10,0.85);
    border-radius: 50%;
    z-index: 2;
}
.ticket-notch-left { left: -0.75rem; }
.ticket-notch-right { right: -0.75rem; }
.ticket-divider-line {
    flex: 1; height: 1px; margin: 0 1rem;
    background: repeating-linear-gradient(to right, rgba(212,175,55,0.18) 0, rgba(212,175,55,0.18) 6px, transparent 6px, transparent 12px);
}

.ticket-body { padding: 1.125rem 1.5rem 1.5rem; }
.ticket-participant { text-align: center; margin-bottom: 1.25rem; }
.ticket-participant-name {
    display: block;
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-1);
    line-height: 1.2;
}
.ticket-participant-email, .ticket-participant-phone {
    display: block; font-size: 0.8125rem; color: var(--text-2); margin-top: 0.25rem;
}
.ticket-participant-phone { font-size: 0.75rem; color: var(--text-3); margin-top: 0.125rem; }

.ticket-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.5rem; }
.ticket-info-full { grid-column: 1 / -1; }
.ticket-info-small { font-size: 0.8125rem; }
.ticket-info-nowrap { white-space: nowrap; }
.ticket-info-label {
    display: block; font-size: 0.625rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 0.1875rem;
}
.ticket-info-value { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text-1); }
.ticket-info-sub { display: block; font-size: 0.75rem; color: var(--text-2); margin-top: 0.125rem; }

.btn-route-inline {
    display: inline-block; font-size: 0.6875rem; color: var(--accent);
    margin-top: 0.375rem; opacity: 0.65; transition: opacity var(--duration) var(--ease);
}
.btn-route-inline:hover { opacity: 1; color: var(--accent-light); }

.ticket-qr-section {
    text-align: center;
    padding: 1.25rem;
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--border-1);
    border-radius: var(--radius-md);
}
.ticket-qr {
    display: inline-block;
    border: 0.5rem solid #fff;
    border-radius: var(--radius-sm);
}
.ticket-qr img { display: block; }

.ticket-footer {
    padding: 0.875rem 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-1);
    background: rgba(212,175,55,0.02);
}
.ticket-footer p { font-size: 0.75rem; color: var(--text-3); font-style: italic; }

/* ===== Group IDs Dynamic ===== */
.group-ids-wrapper { display: flex; flex-direction: column; gap: 0.5rem; }
.group-id-row {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}
.group-id-row input { flex: 1; }
.group-id-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.125rem;
    height: 2.125rem;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-2);
    background: var(--surface-2);
    color: var(--text-2);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    line-height: 1;
    padding: 0;
    font-family: var(--font-sans);
}
.group-id-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-subtle); }
.group-id-btn--remove { color: var(--danger); border-color: var(--danger-border); background: var(--danger-bg); }
.group-id-btn--remove:hover { background: rgba(248,113,113,0.14); border-color: var(--danger); color: var(--danger); }

/* ===== Dispatch Progress ===== */
.dispatch-progress {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--surface-2);
    border: 1px solid var(--border-1);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--text-2);
}
.dispatch-progress__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
}
.dispatch-progress__item--success { color: var(--success); }
.dispatch-progress__item--error { color: var(--danger); }
.dispatch-progress__item--pending { color: var(--text-3); }
.dispatch-spinner {
    display: inline-block;
    width: 0.875rem;
    height: 0.875rem;
    border: 2px solid var(--border-2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Scheduled Messages ===== */
.schedules-section { margin-top: 1.5rem; }
.schedules-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.schedules-section__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-1);
}
.schedule-list { display: flex; flex-direction: column; gap: 0.75rem; }

.schedule-card {
    background: var(--surface-1);
    border: 1px solid var(--border-1);
    border-radius: var(--radius-lg);
    padding: 1.125rem;
    transition: border-color var(--duration) var(--ease);
}
.schedule-card:hover { border-color: var(--border-2); }
.schedule-card--sent { border-left: 3px solid var(--success); }
.schedule-card--failed { border-left: 3px solid var(--danger); }
.schedule-card--pending { border-left: 3px solid var(--accent); }

.schedule-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.625rem;
    gap: 0.5rem;
}
.schedule-card__status {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.1875rem 0.625rem;
    border-radius: 1rem;
}
.schedule-card__status--pending {
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid var(--border-accent);
}
.schedule-card__status--sent {
    color: var(--success);
    background: var(--success-bg);
    border: 1px solid var(--success-border);
}
.schedule-card__status--failed {
    color: var(--danger);
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
}

.schedule-card__actions {
    display: flex;
    gap: 0.375rem;
    flex-shrink: 0;
}

.schedule-card__body { font-size: 0.8125rem; color: var(--text-2); }
.schedule-card__group {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-3);
    margin-bottom: 0.375rem;
}
.schedule-card__group code {
    background: var(--accent-subtle);
    color: var(--accent);
    padding: 0.0625rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.6875rem;
    font-family: 'SFMono-Regular', Consolas, monospace;
}
.schedule-card__message {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.5;
    max-height: 4.5rem;
    overflow: hidden;
    position: relative;
}
.schedule-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.625rem;
    font-size: 0.75rem;
    color: var(--text-3);
}
.schedule-card__meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.schedule-card__result {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
}
.schedule-card__result--success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}
.schedule-card__result--failed {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.empty-schedules {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-3);
    font-size: 0.875rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* ---- Tablet (max 48rem / 768px) ---- */
@media (max-width: 48rem) {
    .messages-grid { grid-template-columns: 1fr; }
    .admin-header { padding: 0 0.875rem; }
    .brand-label { display: none; }
    .admin-nav { gap: 0; }
    .nav-item { padding: 0.375rem 0.5rem; font-size: 0.75rem; }
    .nav-item span { display: none; }
    .nav-item svg { opacity: 0.8; }
    .nav-divider { margin: 0 0.25rem; }

    .admin-main { padding: 1.25rem 0.875rem 2.5rem; }
    .page-header { flex-wrap: wrap; }
    .search-form { flex-wrap: wrap; }
    .search-input-wrap { flex: 1 1 100%; }

    .table th, .table td { padding: 0.5rem 0.75rem; font-size: 0.75rem; }

    .form-row { grid-template-columns: 1fr; }
    .card--section { padding: 1.125rem; }
    .modal__card { padding: 1.375rem; }

    .ticket-header { padding: 1.375rem 1.125rem 0.875rem; }
    .ticket-body { padding: 0.875rem 1.125rem 1.25rem; }
    .ticket-event-name { font-size: 1.25rem; }
    .ticket-info-grid { gap: 0.75rem; }
}

/* ---- Mobile (max 30rem / 480px) ---- */
@media (max-width: 30rem) {
    body { font-size: 0.8125rem; }

    /* Public pages */
    .login-card, .home-card { padding: 1.5rem 1.25rem; }
    .logo-text { font-size: 1.625rem; }
    .home-description { font-size: 0.8125rem; }

    /* Ticket */
    .page-ticket { padding: 0.75rem; }
    .ticket-container { max-width: 100%; }
    .ticket-header { padding: 1.25rem 1rem 0.75rem; }
    .ticket-event-name { font-size: 1.125rem; }
    .ticket-subtitle { font-size: 0.75rem; }
    .ticket-date { font-size: 0.75rem; }
    .ticket-body { padding: 0.75rem 1rem 1.125rem; }
    .ticket-participant-name { font-size: 1.125rem; }
    .ticket-participant-email { font-size: 0.75rem; }
    .ticket-info-grid { grid-template-columns: 1fr; gap: 0.625rem; }
    .ticket-info-value { font-size: 0.8125rem; }
    .ticket-footer { padding: 0.75rem 1rem; }
    .ticket-footer p { font-size: 0.6875rem; }

    /* Admin layout */
    .admin-header { height: 2.875rem; padding: 0 0.625rem; }
    .brand-mark { font-size: 1rem; }
    .admin-main { padding: 1rem 0.625rem 2rem; }
    .page-header { gap: 0.5rem; }
    .page-title { font-size: 1.0625rem; }
    .page-badge { font-size: 0.6875rem; }

    /* Table mobile */
    .table th, .table td { padding: 0.4375rem 0.5rem; font-size: 0.6875rem; }
    .table code { font-size: 0.625rem; padding: 0.0625rem 0.375rem; }
    .td-actions { display: flex; gap: 0.25rem; justify-content: flex-end; }
    .td-actions .inline-form + .btn,
    .td-actions .btn + .inline-form { margin-left: 0; }
    .btn-sm { padding: 0.3125rem 0.5rem; font-size: 0.6875rem; }

    /* Cards & forms */
    .card--section { padding: 0.875rem; }
    .card__title { font-size: 0.875rem; }
    .card__desc { font-size: 0.75rem; margin-bottom: 1rem; }
    .form-group label:not(.toggle) { font-size: 0.625rem; }
    .form-group input, textarea { font-size: 0.8125rem; padding: 0.5rem 0.625rem; }
    .var-buttons { gap: 0.25rem; }
    .var-btn { font-size: 0.625rem; padding: 0.1875rem 0.5rem; }

    /* Modal */
    .modal { padding: 0.75rem; }
    .modal__card { padding: 1.125rem; max-width: 100%; }
    .modal__header h2 { font-size: 0.9375rem; }

    /* Toggle */
    .toggle__text { font-size: 0.8125rem; }

    /* Pagination */
    .pagination { flex-wrap: wrap; }

    /* Group IDs */
    .group-ids-wrapper .group-id-row { flex-wrap: nowrap; }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}