/* ============================================================
   乾坤門法會報名系統 — 前台樣式（中國禪風）
   ============================================================ */

:root {
    --ink:       #1a1614;   /* 深墨色 */
    --paper:     #faf6ef;   /* 宣紙色 */
    --vermillion:#8b2635;   /* 朱砂紅 */
    --gold:      #c9a84c;   /* 鎏金色 */
    --ash:       #6b6560;   /* 灰調 */
    --smoke:     #e8e0d4;   /* 淡煙色 */
    --bamboo:    #a89880;   /* 竹色 */
    --white:     #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Noto Serif TC', 'PingFang TC', 'Microsoft JhengHei', serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.85;
    font-size: 16px;
}

a { color: var(--vermillion); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Header ---- */
.site-header {
    background: var(--ink);
    padding: 0 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    border-bottom: 2px solid var(--vermillion);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.2;
}

.logo-text {
    color: var(--gold);
    font-size: 1.5rem;
    letter-spacing: 0.3em;
    font-weight: 600;
}

.logo-sub {
    color: #7a6e60;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.site-nav a {
    color: #c8bfb5;
    text-decoration: none;
    padding: 0 18px;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    transition: color 0.2s;
    height: 68px;
    display: flex;
    align-items: center;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

.site-nav a:hover { color: var(--gold); }

.site-nav a.nav-register {
    color: var(--vermillion);
    border: 1px solid var(--vermillion);
    padding: 6px 16px;
    height: auto;
    margin-left: 8px;
    font-size: 0.85rem;
    transition: all 0.2s;
}
.site-nav a.nav-register:hover { background: var(--vermillion); color: #fff; }

.site-nav a.nav-logout { color: #5a5450; }
.site-nav a.nav-logout:hover { color: #c0392b; }

/* ---- Main Content ---- */
.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 48px 24px 80px;
    min-height: calc(100vh - 68px - 100px);
}

/* ---- Page Heading ---- */
.page-heading {
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--smoke);
    position: relative;
}

.page-heading::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--vermillion);
}

.page-heading h1 {
    font-size: 1.6rem;
    letter-spacing: 0.15em;
    font-weight: 600;
    color: var(--ink);
}

.page-subheading {
    color: var(--ash);
    font-size: 0.9rem;
    margin-top: 6px;
    letter-spacing: 0.05em;
}

/* ---- Cards ---- */
.card {
    background: var(--white);
    border: 1px solid var(--smoke);
    padding: 28px 32px;
    margin-bottom: 24px;
}

/* ---- Event Cards ---- */
.event-list { display: flex; flex-direction: column; gap: 18px; }

.event-card {
    background: var(--white);
    border: 1px solid var(--smoke);
    border-left: 4px solid var(--vermillion);
    padding: 24px 28px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    transition: box-shadow 0.2s, transform 0.15s;
    text-decoration: none;
    color: inherit;
}

.event-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transform: translateY(-1px);
    text-decoration: none;
}

.event-card-body { flex: 1; }

.event-card h2 {
    font-size: 1.2rem;
    color: var(--ink);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
    font-size: 0.85rem;
}

.event-date { color: var(--ash); }
.event-period { color: var(--ash); }

.event-card-side { text-align: right; flex-shrink: 0; }

.event-fee {
    font-size: 1.3rem;
    color: var(--vermillion);
    font-weight: 600;
    display: block;
}

.event-fee-label {
    font-size: 0.78rem;
    color: var(--bamboo);
    letter-spacing: 0.05em;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
}
.status-active  { background: #fdf0f0; color: var(--vermillion); border: 1px solid #f0c0c0; }
.status-closed  { background: var(--smoke); color: var(--ash); border: 1px solid var(--bamboo); }
.status-draft   { background: #f8f5e8; color: #7a6e20; border: 1px solid #d4c880; }

/* ---- Forms ---- */
.form-group { margin-bottom: 22px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--ash);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.form-group label .required {
    color: var(--vermillion);
    margin-left: 3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--bamboo);
    background: var(--white);
    color: var(--ink);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--vermillion);
    box-shadow: 0 0 0 3px rgba(139,38,53,0.08);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-hint {
    font-size: 0.8rem;
    color: var(--bamboo);
    margin-top: 4px;
}

.form-error {
    font-size: 0.8rem;
    color: var(--vermillion);
    margin-top: 4px;
}

.form-row {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 10px 28px;
    border: none;
    cursor: pointer;
    font-size: 0.92rem;
    letter-spacing: 0.08em;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
    text-align: center;
}

.btn-primary { background: var(--vermillion); color: #fff; }
.btn-primary:hover { background: #a03040; text-decoration: none; color: #fff; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--vermillion);
    color: var(--vermillion);
}
.btn-outline:hover { background: var(--vermillion); color: #fff; text-decoration: none; }

.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #b8963c; color: var(--ink); text-decoration: none; }

.btn-sm { padding: 6px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.btn-block { display: block; width: 100%; }

/* ---- Alerts ---- */
.alert {
    padding: 12px 18px;
    margin-bottom: 22px;
    font-size: 0.9rem;
    border-left: 3px solid;
    line-height: 1.6;
}
.alert-success { background: #f0f7f0; border-color: #4a9e4a; color: #2d6e2d; }
.alert-error   { background: #fdf0f0; border-color: var(--vermillion); color: #7a1e28; }
.alert-info    { background: #f0f4f8; border-color: #4a7eb5; color: #2d5a8e; }
.alert-warning { background: #fef8f0; border-color: #e67e22; color: #a0541e; }

/* ---- Divider ---- */
.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--bamboo), transparent);
    margin: 36px 0;
}

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table th {
    background: #f5f0e8;
    padding: 10px 14px;
    text-align: left;
    font-weight: 500;
    color: var(--ash);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--smoke);
}
table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--smoke);
    font-size: 0.9rem;
}
table tr:hover td { background: #fdf8f4; }

/* ---- Footer ---- */
.site-footer {
    background: var(--ink);
    padding: 28px 48px;
    text-align: center;
}
.footer-name {
    color: var(--gold);
    font-family: 'Noto Serif TC', serif;
    letter-spacing: 0.2em;
    margin-bottom: 6px;
}
.footer-copy { color: #5a5450; font-size: 0.82rem; margin-bottom: 4px; }
.footer-contact { color: #5a5450; font-size: 0.82rem; }
.footer-contact a { color: var(--bamboo); }
.footer-contact a:hover { color: var(--gold); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .site-header { padding: 0 16px; }
    .site-nav a { padding: 0 10px; font-size: 0.82rem; }
    .main-content { padding: 28px 16px 60px; }
    .event-card { flex-direction: column; }
    .event-card-side { text-align: left; }
    .site-footer { padding: 24px 16px; }
}