:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --text: #1f2937;
    --text-muted: #6b7280;
    --bg: #f9fafb;
    --card: #ffffff;
    --border: #e5e7eb;
    --radius: 12px;
}

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

body {
    font-family: 'Vazirmatn', 'Segoe UI', Tahoma, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    direction: rtl;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== هدر ===== */
header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}
.logo span { color: var(--text); }
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-right: 24px;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--primary); }

/* ===== Main ===== */
main {
    padding: 48px 0 80px;
    min-height: calc(100vh - 200px);
}

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 40px 0 60px;
}
.hero h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.hero h1 span { color: var(--primary); }
.hero p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Card ===== */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
}
.card.center { text-align: center; }
.card h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

/* ===== Form ===== */
.simple-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.simple-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}
.simple-form input,
.simple-form textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border 0.2s;
    background: #fafafa;
}
.simple-form input:focus,
.simple-form textarea:focus {
    border-color: var(--primary);
    background: #fff;
}
.simple-form textarea {
    min-height: 100px;
    resize: vertical;
}
.simple-form.inline {
    flex-direction: row;
    align-items: center;
    gap: 12px;
}
.simple-form.inline input { flex: 1; }

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    background: var(--primary);
    color: #fff;
    font-family: inherit;
}
.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

/* ===== Success / Error ===== */
.success-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #ecfdf5;
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}
.unique-id {
    display: inline-block;
    font-family: 'Courier New', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    background: #eef2ff;
    color: var(--primary);
    padding: 12px 32px;
    border-radius: 12px;
    letter-spacing: 4px;
    direction: ltr;
    margin: 16px 0;
}
.info-box {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    text-align: right;
}
.info-box p {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-muted);
}
.info-box code {
    background: #eef2ff;
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    direction: ltr;
    display: inline-block;
    font-size: 0.85rem;
}
.info-box pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    direction: ltr;
    text-align: left;
    line-height: 1.6;
}
.success-box {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}
.error-box {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: 16px;
    border-radius: 10px;
    margin-top: 16px;
    text-align: center;
}

/* ===== Actions ===== */
.actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* ===== Meta ===== */
.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.meta code {
    background: #eef2ff;
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    direction: ltr;
}

/* ===== Table ===== */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-top: 16px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
table th {
    background: #f8fafc;
    padding: 14px;
    text-align: right;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}
table td {
    padding: 14px;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
table tr:last-child td { border-bottom: none; }
.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 30px;
    font-size: 0.9rem;
}

/* ===== Footer ===== */
footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .nav-links { display: none; }
    .card { padding: 24px; }
    .simple-form.inline { flex-direction: column; }
    .unique-id { font-size: 1.4rem; padding: 10px 20px; }
}