/* استایل مشترک - بدون CDN - فونت محلی IRANSansWeb (فقط وزن معمولی؛ فایل‌های Bold در سرور نباشند خطای ۴۰۴ نمی‌دهد) */
@font-face {
    font-family: 'IRANSansWeb';
    src: url('../../fonts/IRANSansWeb.woff2') format('woff2'),
         url('../../fonts/IRANSansWeb.woff') format('woff'),
         url('../../fonts/IRANSans-web.woff') format('woff'),
         url('../../fonts/IRANSansWeb.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* فونت یکپارچه در تمام سایت — هیچ المانی استثنا نیست */
:root {
    --font-main: 'IRANSansWeb', Tahoma, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    font-family: var(--font-main) !important;
}

html,
body {
    font-family: var(--font-main) !important;
    margin: 0;
    padding: 0;
    background: #f0f2f5;
    color: #1a1a2e;
    line-height: 1.6;
    direction: rtl;
}

/* تمام تگ‌ها و المان‌های فرم و متن */
input, button, select, textarea, option, optgroup, label, a, span, p, h1, h2, h3, h4, h5, h6, code, pre, th, td, li, div, section, header, footer, main, nav, form, table, thead, tbody, tr, caption, legend, fieldset, .btn, .message, .badge, .card, .admin-header, .client-wrap, .client-header, .client-footer, .client-main, .form-join, .form-create-room, .rooms-table, .login-box, ::placeholder {
    font-family: var(--font-main) !important;
}

/* ---- صفحه ورود ادمین ---- */
.page-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.login-box {
    width: 100%;
    max-width: 360px;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.login-box h1 {
    margin: 0 0 1.5rem;
    font-size: 1.35rem;
    text-align: center;
    color: #1a1a2e;
}

.login-box label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: #444;
}

.login-box input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: var(--font-main) !important;
    font-size: 1rem;
}

.login-box input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.login-box button {
    width: 100%;
    padding: 0.75rem;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: var(--font-main) !important;
    font-size: 1rem;
    cursor: pointer;
}

.login-box button:hover {
    background: #1d4ed8;
}

.login-box .error {
    color: #b91c1c;
    background: #fef2f2;
    padding: 0.6rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* کد امنیتی تصویری — غیرقابل کپی */
.security-code-wrap {
    margin-bottom: 1rem;
}
.security-code-img {
    display: block;
    margin-bottom: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    user-select: none;
    -webkit-user-select: none;
    pointer-events: none;
}
.security-code-wrap input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: ui-monospace, monospace !important;
    font-size: 1rem;
    text-align: center;
}

/* ---- پنل ادمین (ریسپانسیو و حرفه‌ای) ---- */
.page-admin {
    min-height: 100vh;
    padding-bottom: 2.5rem;
    background: #eef1f5;
}

.admin-header {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.admin-header h1 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.admin-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

@media (min-width: 768px) {
    .admin-main { padding: 2rem 1.5rem; }
}

.card {
    background: #fff;
    border-radius: 14px;
    padding: 1.25rem 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.04);
}

@media (min-width: 768px) {
    .card { padding: 1.75rem 2rem; margin-bottom: 1.75rem; }
}

.card h2 {
    margin: 0 0 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f172a;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
}

@media (min-width: 768px) {
    .card h2 { font-size: 1.2rem; margin-bottom: 1.5rem; }
}

.message {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.message.success {
    background: #dcfce7;
    color: #166534;
}

.message.error {
    background: #fef2f2;
    color: #b91c1c;
}

.message.warning {
    background: #fef9c3;
    color: #854d0e;
}

.form-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
}

.form-inline input {
    padding: 0.6rem 0.8rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: var(--font-main) !important;
    font-size: 0.95rem;
}

.form-inline input[name="name"] { min-width: 160px; }
.form-inline input[name="meetingID"] { min-width: 140px; }
.form-inline input[name="duration"] { width: 80px; }

/* فرم ساخت اتاق — گرید ریسپانسیو */
.form-create-room .form-row { margin-bottom: 1.25rem; }
.form-create-room .form-row label { display: block; margin-bottom: 0.4rem; font-size: 0.875rem; font-weight: 500; color: #475569; }
.form-create-room .form-row input[type="text"],
.form-create-room .form-row input[type="number"] {
    padding: 0.65rem 0.9rem;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font-family: var(--font-main) !important;
    font-size: 0.95rem;
    width: 100%;
    max-width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-create-room .form-row input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.form-create-room .form-row-inline { margin-bottom: 1.25rem; }
.form-create-room .form-row-grid { display: block; }
@media (min-width: 640px) {
    .form-create-room .form-row-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; margin-bottom: 1.25rem; }
    .form-create-room .form-row-grid .form-row-inline { margin-bottom: 0; }
}
@media (min-width: 768px) {
    .form-create-room .form-row input[type="text"],
    .form-create-room .form-row input[type="number"] { max-width: 320px; }
}

/* فرم ویرایش اتاق */
.form-create-room .input-disabled,
.form-create-room input:disabled {
    background: #f1f5f9;
    color: #64748b;
    cursor: not-allowed;
}
.form-section { margin: 1.5rem 0 0.75rem; }
.form-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: #475569;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}
.checkbox-label input[type="checkbox"] {
    margin: 0;
    width: 1.1em;
    height: 1.1em;
}
.form-row-checkboxes .form-row-inline { margin-bottom: 0.75rem; }
@media (min-width: 640px) {
    .form-row-checkboxes .form-row-inline { margin-bottom: 0; }
}
.form-row-active { margin-top: 1rem; }
.checkbox-active span { font-weight: 500; }

.table-toolbar { margin-bottom: 1rem; }
.room-search {
    width: 100%;
    max-width: 280px;
    padding: 0.6rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-family: var(--font-main) !important;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}
.room-search:focus { outline: none; border-color: #2563eb; }
.room-count { font-weight: normal; color: #64748b; font-size: 0.85rem; }
.table-hint { margin: 1.25rem 0 0; font-size: 0.8rem; color: #64748b; line-height: 1.5; }
.btn-copy { background: #6366f1; color: #fff; border: none; cursor: pointer; }
.btn-copy:hover { background: #4f46e5; }

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: var(--font-main) !important;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.2s, color 0.2s;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.7);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.15);
}

.btn-sm {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
}

.btn-join {
    background: #059669;
    color: #fff;
}

.btn-join:hover {
    background: #047857;
}

.btn-danger {
    background: #dc2626;
    color: #fff;
}

.btn-danger:hover {
    background: #b91c1c;
}

.empty {
    color: #64748b;
    margin: 0;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.rooms-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.rooms-table th,
.rooms-table td {
    padding: 0.85rem 0.75rem;
    text-align: right;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: middle;
}

.rooms-table th {
    background: #f8fafc;
    font-weight: 700;
    color: #475569;
    font-size: 0.8rem;
    text-transform: none;
}

.rooms-table code {
    background: #f1f5f9;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.8em;
}

/* ریسپانسیو جدول: روی موبایل به صورت کارت */
@media (max-width: 900px) {
    .rooms-table thead { display: none; }
    .rooms-table tbody tr {
        display: block;
        margin-bottom: 1rem;
        padding: 1rem;
        background: #f8fafc;
        border-radius: 12px;
        border: 1px solid #e2e8f0;
        box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    }
    .rooms-table tbody tr td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.75rem;
        padding: 0.5rem 0;
        border-bottom: 1px solid #e2e8f0;
    }
    .rooms-table tbody tr td:last-child { border-bottom: none; }
    .rooms-table tbody tr td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #64748b;
        font-size: 0.8rem;
        flex-shrink: 0;
    }
    .rooms-table tbody tr td.actions {
        flex-wrap: wrap;
        padding-top: 0.75rem;
        margin-top: 0.25rem;
        border-top: 1px solid #e2e8f0;
    }
    .rooms-table tbody tr td.actions::before { display: none; }
    .rooms-table tbody tr td.actions .btn { margin: 0.25rem 0.25rem 0 0; }
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-size: 0.8rem;
}

.badge-on {
    background: #dcfce7;
    color: #166534;
}

.badge-off {
    background: #f1f5f9;
    color: #64748b;
}

.badge-private {
    background: #ede9fe;
    color: #5b21b6;
}

.actions {
    white-space: nowrap;
}

.actions .btn {
    margin-left: 0.35rem;
}

/* ---- صفحه کلاینت (ورود کاربر) ---- */
.page-client {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.client-wrap {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.client-header {
    padding: 1.5rem 1.5rem 0.75rem;
    text-align: center;
    border-bottom: 1px solid #f1f5f9;
}

.client-logo {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 80px;
    margin: 0 auto 1rem;
    object-fit: contain;
}

.client-header p {
    margin: 0;
    color: #64748b;
    font-size: 0.95rem;
}

.client-main {
    padding: 1.5rem 1.5rem 1rem;
}

.client-footer {
    padding: 0.85rem 1.5rem;
    text-align: center;
    border-top: 1px solid #f1f5f9;
    font-size: 0.8rem;
    color: #64748b;
    font-family: var(--font-main) !important;
}

.form-join label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: #334155;
}

.form-join input,
.form-join select {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-family: var(--font-main) !important;
    font-size: 1rem;
}

.form-join input:focus,
.form-join select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}

.form-join .btn-block {
    width: 100%;
    padding: 0.85rem;
    margin-top: 0.5rem;
    font-size: 1rem;
    font-family: var(--font-main) !important;
}

.form-join-password-wrap { margin-bottom: 1rem; }
.form-join-password-wrap label { font-family: var(--font-main) !important; }
.form-join-password-wrap input { font-family: var(--font-main) !important; }

.link-admin {
    color: #64748b;
    font-size: 0.9rem;
    text-decoration: none;
}

.link-admin:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* ریسپانسیو عمومی */
@media (max-width: 640px) {
    .admin-header {
        padding: 1rem;
        flex-direction: row;
        align-items: center;
    }
    .admin-header h1 { font-size: 1rem; }
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    .form-inline input[name="duration"] { width: 100%; }
    .actions { white-space: normal; }
    .actions .btn { margin: 0.25rem 0.25rem 0 0; }
}

/* صفحه فرانت — بهبود ظاهری مینیمال */
.page-client { padding: 1.25rem; }
.client-wrap {
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.04);
}
.client-header p { font-size: 0.9rem; }
.client-main { padding: 1.5rem 1.25rem; }
.form-join input,
.form-join select {
    border-radius: 12px;
    padding: 0.8rem 1rem;
}
.form-join .btn-block { border-radius: 12px; padding: 0.9rem; }
.client-footer { padding: 1rem 1.25rem; font-size: 0.78rem; }

/* ========== دسکتاپ — سامانهٔ کنفرانس، مینیمال، روشن (۲۰۲۶) ========== */
@media (min-width: 1024px) {
    /* پس‌زمینه: گرادیان ظریف */
    body.page-admin {
        background: linear-gradient(180deg, #f0f4f8 0%, #e8eef4 40%, #f5f7fa 100%);
    }
    .page-admin .admin-main {
        max-width: 1320px;
        padding: 2rem 2rem 3rem;
    }
    .page-admin .admin-header {
        padding: 1.5rem 2.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .page-admin .admin-header h1 {
        font-size: 1.35rem;
        letter-spacing: -0.03em;
    }
    .page-admin .card {
        border-radius: 16px;
        padding: 2rem 2.25rem;
        box-shadow: 0 2px 16px rgba(0,0,0,0.05), 0 0 0 1px rgba(0,0,0,0.03);
        transition: box-shadow 0.25s ease;
    }
    .page-admin .card:hover {
        box-shadow: 0 8px 32px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
    }
    .page-admin .card h2 {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid #e8eef4;
    }
    .page-admin .rooms-table tbody tr {
        transition: background 0.15s ease;
    }
    .page-admin .rooms-table tbody tr:hover {
        background: #f8fafc;
    }
    .page-admin .rooms-table th,
    .page-admin .rooms-table td {
        padding: 1rem 1.1rem;
    }
    .page-admin .form-create-room .form-row input[type="text"],
    .page-admin .form-create-room .form-row input[type="number"] {
        max-width: 380px;
        padding: 0.75rem 1rem;
    }
    .page-admin .room-search {
        max-width: 320px;
        padding: 0.65rem 1.1rem;
    }
    .page-admin .table-toolbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 1rem;
        margin-bottom: 1.25rem;
    }
    .page-admin .btn,
    .page-admin .btn-sm {
        border-radius: 10px;
    }
    .page-admin .btn-primary {
        padding: 0.65rem 1.5rem;
    }
    /* فرانت ورود کاربر — کارت عریض‌تر و آرام‌تر */
    .page-client {
        padding: 3rem 2rem;
        background: linear-gradient(180deg, #f0f4f8 0%, #e8eef4 50%, #f5f7fa 100%);
    }
    .page-client .client-wrap {
        max-width: 480px;
        border-radius: 20px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
    }
    .page-client .client-header {
        padding: 2rem 2rem 1rem;
    }
    .page-client .client-logo {
        max-height: 88px;
    }
    .page-client .client-main {
        padding: 1.75rem 2rem 2rem;
    }
    .page-client .form-join input,
    .page-client .form-join select {
        padding: 0.85rem 1.1rem;
        border-radius: 14px;
    }
    .page-client .form-join .btn-block {
        padding: 1rem;
        border-radius: 14px;
        font-size: 1.05rem;
    }
    .page-client .client-footer {
        padding: 1.25rem 2rem;
        font-size: 0.82rem;
    }
}
@media (min-width: 1400px) {
    .page-admin .admin-main { max-width: 1440px; }
}

/* صفحه ورود ادمین — دسکتاپ */
@media (min-width: 1024px) {
    .page-login {
        background: linear-gradient(180deg, #f0f4f8 0%, #e8eef4 100%);
    }
    .login-box {
        max-width: 400px;
        padding: 2.5rem;
        border-radius: 20px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
    }
    .login-box h1 { font-size: 1.4rem; }
    .login-box input,
    .login-box button { border-radius: 12px; padding: 0.8rem 1rem; }
}