@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --primary:    #2563eb;
    --primary-dk: #1d4ed8;
    --primary-lt: #eff6ff;
    --success:    #10b981;
    --danger:     #ef4444;
    --warn:       #f59e0b;
    --gray-50:    #f9fafb;
    --gray-100:   #f3f4f6;
    --gray-200:   #e5e7eb;
    --gray-400:   #9ca3af;
    --gray-600:   #4b5563;
    --gray-800:   #1f2937;
    --radius:     10px;
    --radius-lg:  16px;
    --shadow:     0 4px 24px rgba(0,0,0,.08);
    --shadow-lg:  0 8px 40px rgba(37,99,235,.12);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #e0eaff 0%, #f0f4ff 40%, #faf5ff 100%);
    color: var(--gray-800);
    min-height: 100vh;
    font-size: 15px;
    line-height: 1.6;
}

body[data-theme="dark"] {
    background: #0a0a0f;
    background-image:
        radial-gradient(ellipse at 20% 20%, rgba(37,99,235,.18) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 80%, rgba(124,58,237,.15) 0%, transparent 60%);
}

/* ─── Page wrap ──────────────────────────────────────────────────────────── */
.page-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 40px 16px 48px;
}

/* ─── Form card ──────────────────────────────────────────────────────────── */
.form-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    border: 1px solid rgba(37,99,235,.08);
}

body[data-theme="dark"] .form-card {
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 8px 40px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.12);
}

/* ─── Card header ────────────────────────────────────────────────────────── */
.card-header {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    padding: 20px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Card body ──────────────────────────────────────────────────────────── */
.card-body {
    padding: 32px 36px 40px;
}

.card-body h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 6px;
}

.form-intro {
    color: var(--gray-600);
    margin-bottom: 28px;
    font-size: .9rem;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
}

body[data-theme="dark"] .card-body h2 { color: #fff; }
body[data-theme="dark"] .form-intro   { color: rgba(255,255,255,.55); border-bottom-color: rgba(255,255,255,.1); }

/* ─── Loading spinner ────────────────────────────────────────────────────── */
.loading-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 40px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .75s linear infinite;
}

body[data-theme="dark"] .spinner { border-color: rgba(255,255,255,.15); border-top-color: var(--primary); }

@keyframes spin { to { transform: rotate(360deg); } }

.loading-text {
    color: var(--gray-400);
    font-size: .9rem;
}

/* ─── Form elements ──────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 7px;
    font-size: .875rem;
    color: var(--gray-800);
    letter-spacing: -.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: .95rem;
    background: var(--gray-50);
    transition: border-color .2s, box-shadow .2s, background .2s;
    outline: none;
    font-family: inherit;
    color: var(--gray-800);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
    background: #fff;
}

.form-group input:hover:not(:focus),
.form-group select:hover:not(:focus),
.form-group textarea:hover:not(:focus) { border-color: var(--gray-400); }

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--danger);
    background: #fff8f8;
}

/* dark variants */
body[data-theme="dark"] .form-group label { color: rgba(255,255,255,.9); }

body[data-theme="dark"] .form-group input,
body[data-theme="dark"] .form-group select,
body[data-theme="dark"] .form-group textarea {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.12);
    color: #fff;
}

body[data-theme="dark"] .form-group input::placeholder,
body[data-theme="dark"] .form-group textarea::placeholder { color: rgba(255,255,255,.3); }

body[data-theme="dark"] .form-group select option { background: #1e1e2e; color: #fff; }

body[data-theme="dark"] .form-group input:focus,
body[data-theme="dark"] .form-group select:focus,
body[data-theme="dark"] .form-group textarea:focus {
    box-shadow: 0 0 0 3px rgba(37,99,235,.25);
    background: rgba(255,255,255,.12);
}

body[data-theme="dark"] .form-group input:hover:not(:focus),
body[data-theme="dark"] .form-group select:hover:not(:focus),
body[data-theme="dark"] .form-group textarea:hover:not(:focus) { border-color: rgba(255,255,255,.25); }

body[data-theme="dark"] .form-group.has-error input,
body[data-theme="dark"] .form-group.has-error select,
body[data-theme="dark"] .form-group.has-error textarea {
    border-color: var(--danger);
    background: rgba(239,68,68,.1);
}

.field-error {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--danger);
    font-size: .82rem;
    margin-top: 5px;
    font-weight: 500;
}

.field-error::before {
    content: '!';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    background: var(--danger);
    color: #fff;
    border-radius: 50%;
    font-size: .65rem;
    font-weight: 700;
    flex-shrink: 0;
}

.req { color: var(--danger); margin-left: 2px; }

/* ─── Guest type select with color dot ──────────────────────────────────── */
.guest-type-option-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

/* ─── Submit button ──────────────────────────────────────────────────────── */
.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s, opacity .15s;
    margin-top: 12px;
    box-shadow: 0 4px 14px rgba(37,99,235,.35);
    letter-spacing: -.01em;
    font-family: inherit;
}

.btn-submit::after {
    content: '→';
    font-size: 1.1rem;
    transition: transform .2s;
}

.btn-submit:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(37,99,235,.45);
    transform: translateY(-1px);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37,99,235,.3);
}

.btn-submit:hover:not(:disabled)::after { transform: translateX(3px); }

.btn-submit:disabled {
    opacity: .7;
    cursor: not-allowed;
}

.btn-submit.loading::after { content: ''; }

/* ─── Alerts ─────────────────────────────────────────────────────────────── */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: .9rem;
    line-height: 1.5;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--danger);
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-left: 4px solid var(--success);
    color: #065f46;
}

.alert-info {
    background: var(--primary-lt);
    border: 1px solid #bfdbfe;
    border-left: 4px solid var(--primary);
    color: #1e40af;
}

body[data-theme="dark"] .alert-error   { background: rgba(239,68,68,.1);   border-color: rgba(239,68,68,.3);   border-left-color: var(--danger);  color: #fca5a5; }
body[data-theme="dark"] .alert-success { background: rgba(16,185,129,.1);  border-color: rgba(16,185,129,.3);  border-left-color: var(--success); color: #6ee7b7; }
body[data-theme="dark"] .alert-info    { background: rgba(37,99,235,.1);   border-color: rgba(37,99,235,.3);   border-left-color: var(--primary); color: #93c5fd; }

/* ─── Success card ───────────────────────────────────────────────────────── */
.success-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px 0 8px;
    gap: 12px;
}

.success-icon {
    font-size: 3.5rem;
    line-height: 1;
    color: var(--success);
}

.success-wrap h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-800);
}

body[data-theme="dark"] .success-wrap h3 { color: #fff; }

.success-wrap p {
    color: var(--gray-600);
    font-size: .95rem;
    max-width: 380px;
}

body[data-theme="dark"] .success-wrap p { color: rgba(255,255,255,.6); }

.success-email-box {
    background: var(--primary-lt);
    border: 2px dashed var(--primary);
    border-radius: var(--radius);
    padding: 16px 24px;
    font-size: .9rem;
    color: var(--primary-dk);
    font-weight: 500;
}

body[data-theme="dark"] .success-email-box {
    background: rgba(37,99,235,.12);
    border-color: rgba(37,99,235,.4);
    color: #93c5fd;
}

/* ─── No-event state ─────────────────────────────────────────────────────── */
.no-event-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 0 16px;
    gap: 10px;
    color: var(--gray-600);
}

.no-event-wrap .icon { font-size: 2.5rem; }
.no-event-wrap h3 { font-size: 1.1rem; font-weight: 600; color: var(--gray-800); }
body[data-theme="dark"] .no-event-wrap h3 { color: #fff; }
body[data-theme="dark"] .no-event-wrap { color: rgba(255,255,255,.5); }

/* ─── Site footer ─────────────────────────────────────────────────────────── */
.site-footer {
    margin-top: 24px;
    color: var(--gray-400);
    font-size: .82rem;
    text-align: center;
}

body[data-theme="dark"] .site-footer { color: rgba(255,255,255,.3); }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .card-body  { padding: 24px 20px 32px; }
    .card-header { padding: 16px 20px; }
    .page-wrap  { padding: 20px 12px 40px; }
}