:root {
    --primary: #1e3a5f;
    --primary-dark: #12253d;
    --primary-light: #2f5d8a;
    --accent: #c99a3d;
    --bg: #f3f5f9;
    --card-bg: #ffffff;
    --text: #1c2431;
    --muted: #64708a;
    --border: #e1e5ee;
    --radius: 16px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 20px; }

/* هدر */
.site-header {
    background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
    color: #fff;
    padding: 22px 0;
    box-shadow: 0 4px 20px rgba(30, 58, 95, .18);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { font-size: 1.15rem; font-weight: 700; display: flex; align-items: center; gap: 10px; letter-spacing: .2px; }
.brand-icon { font-size: 1.4rem; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-link { color: #fff; text-decoration: none; font-size: .85rem; opacity: .9; background: rgba(255,255,255,.12); padding: 7px 14px; border-radius: 8px; transition: opacity .15s, background .15s; }
.header-link:hover { opacity: 1; background: rgba(255,255,255,.2); }
.header-link-btn { border: none; cursor: pointer; font-family: inherit; }
.inline-form { display: inline; margin: 0; }

.main-content { padding: 36px 16px 48px; }

.site-footer {
    text-align: center;
    color: var(--muted);
    padding: 22px 0 30px;
    font-size: .82rem;
    letter-spacing: .3px;
}

.form-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 0 8px 30px rgba(15, 40, 35, .07);
}
.form-card.narrow { max-width: 420px; margin: 0 auto; }
.form-card.center { text-align: center; }
.form-card h1 { font-size: 1.35rem; margin-top: 0; line-height: 1.6; }

.subtitle { color: var(--muted); margin-bottom: 26px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: .92rem; }
.anon-badge {
    background: rgba(30, 58, 95, .1);
    color: var(--primary-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: .82rem;
    white-space: nowrap;
}

.optional-tag {
    display: inline-block;
    background: var(--border);
    color: var(--muted);
    font-size: .72rem;
    padding: 2px 9px;
    border-radius: 20px;
    margin-right: 6px;
    font-weight: 400;
}

.field-group { margin-bottom: 20px; }
.field-group label { display: block; font-weight: 600; margin-bottom: 7px; font-size: .92rem; }
.field-row { display: flex; gap: 16px; }
.field-row .field-group { flex: 1; }

input[type=text], input[type=email], input[type=password], input[type=date], input:not([type]),
select, textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: .95rem;
    background: #fff;
    color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, .14);
}
textarea { resize: vertical; }

input[type=file] {
    width: 100%;
    padding: 10px;
    border: 1.5px dashed var(--border);
    border-radius: 10px;
    background: #fafcfb;
    font-family: inherit;
    font-size: .88rem;
}

.type-selector { display: flex; gap: 10px; flex-wrap: wrap; }
.type-option {
    flex: 1;
    min-width: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 13px 8px;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    font-size: .92rem;
    transition: all .15s;
    text-align: center;
}
.type-option input { display: none; }
.type-option:has(input:checked) {
    border-color: var(--primary);
    background: rgba(30, 58, 95, .09);
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--primary) inset;
}

.hint { display: block; margin-top: 6px; color: var(--muted); font-size: .82rem; }
.field-error { color: #c1543f; font-size: .82rem; display: block; margin-top: 4px; }
.validation-summary { color: #c1543f; margin-bottom: 14px; font-size: .9rem; }
.validation-summary ul { margin: 0; padding-right: 18px; }

.btn-submit {
    display: inline-block;
    background: linear-gradient(120deg, var(--primary-dark), var(--primary));
    color: #fff;
    border: none;
    padding: 14px 30px;
    border-radius: 12px;
    font-size: .98rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    font-weight: 700;
    transition: transform .12s, box-shadow .12s;
    box-shadow: 0 6px 18px rgba(30, 58, 95, .28);
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(30, 58, 95, .34); }
.btn-full { width: 100%; text-align: center; }

.success-card { padding: 48px 32px; }
.success-icon { font-size: 3rem; margin-bottom: 14px; }
.success-card h1 { margin: 0; font-size: 1.3rem; }
.btn-back-home { display: inline-block; margin-top: 26px; text-decoration: none; padding: 12px 32px; width: auto; }

.checkbox-row label { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.checkbox-row input { width: auto; }

/* ریسپانسیو موبایل */
@media (max-width: 640px) {
    .main-content { padding: 22px 12px 36px; }
    .form-card { padding: 22px 18px; border-radius: 14px; }
    .form-card h1 { font-size: 1.1rem; }
    .brand { font-size: 1rem; }
    .type-selector { gap: 8px; }
    .type-option { min-width: 90px; padding: 11px 6px; font-size: .85rem; }
    .btn-submit { width: 100%; text-align: center; padding: 13px; }
    .field-row { flex-direction: column; gap: 0; }
    .success-card { padding: 36px 20px; }
}