/* 
    Ninja Framework v2.0 - Optimized for LMS 
    Custom CSS Framework for PHP Online Examination System
*/

/* ==========================================================================
   1. VARIABLES & THEME (پالت رنگی و متغیرها)
   ========================================================================== */
:root {
    /* Colors */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
    --white: #ffffff;
    
    /* Grays */
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-700: #334155;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition: all 0.3s ease;
    --radius: 12px;
}

/* ==========================================================================
   2. RESET & BASE (تنظیمات پایه)
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: "B Yekan", Tahoma, sans-serif;
    background-color: #f4f7fe; /* زمینه ملایم برای کاهش خستگی چشم */
    color: var(--gray-700);
    line-height: 1.6;
    direction: rtl;
    text-align: right;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   3. LAYOUT & GRID (سیستم شبکه بندی)
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 20px;
    padding-left: 20px;
}

/* Flex Grid */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: -10px;
}

.row > * {
    padding: 10px;
}

/* ستون‌های استاندارد */
.col-12 { width: 100%; }
.col-md-6 { width: 50%; }
.col-md-4 { width: 33.33%; }
.col-md-3 { width: 25%; }

/* CSS Grid برای داشبورد - هوشمند و واکنش‌گرا */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

/* ==========================================================================
   4. COMPONENTS (اجزای رابط کاربری)
   ========================================================================== */

/* Topbar / Header */
.topbar {
    background: var(--white);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-text {
    text-align: left;
}

.user-fullname {
    font-weight: 700;
    color: var(--dark);
}

.user-username {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Stat Cards (Dashboard) */
/* Stat Cards (Dashboard) */
.stat-card {
    background: var(--white);
    padding: 0.7rem;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-right: 3px solid var(--primary);
    transition: var(--transition);
    min-height: 110px;
}

.stat-card:nth-child(2) {
    border-right-color: var(--success);
}

.stat-card:nth-child(3) {
    border-right-color: var(--warning);
}

.stat-card:nth-child(4) {
    border-right-color: var(--danger);
}

/* Hover */
.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Icon */
.stat-icon {
    font-size: 1.2rem;
    margin-bottom: 6px;
    background: var(--gray-100);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
}

/* Number */
.stat-card h3 {
    font-size: 1rem;
    margin: 4px 0;
    font-weight: 800;
    color: var(--dark);
}

/* Title */
.stat-card p,
.stat-card span,
.stat-card small {
    font-size: 0.72rem;
    color: var(--gray-500);
    margin: 0;
}


/* Profile Box */
.profile-box {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8faff 100%);
}

.profile-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 4px solid var(--primary-light);
    object-fit: cover;
}

/* Quick Action Cards */
.quick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 1.25rem;
    text-align: center;
    font-weight: 600;
}

.quick-card i, .quick-card div {
    font-size: 1.8rem;
}

/* ==========================================================================
   5. TABLES & DATA (جداول)
   ========================================================================== */
.table-responsive {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius);
}

.app-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.app-table th {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 12px 15px;
    font-weight: 700;
    text-align: right;
    border-bottom: 2px solid var(--gray-200);
}

.app-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.app-table tr:hover {
    background-color: var(--primary-light);
}

/* ==========================================================================
   6. FORMS & BUTTONS (فرم‌ها و دکمه‌ها)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    gap: 8px;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-hover); }

.btn-success { background: var(--success); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-outline { border: 1px solid var(--gray-300); background: transparent; color: var(--gray-700); }
.btn-outline:hover { background: var(--gray-100); }

/* Inputs */
.form-group { margin-bottom: 1.2rem; }
label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--gray-700); }

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: inherit;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

/* ==========================================================================
   7. UTILITIES & TYPOGRAPHY (ابزارها)
   ========================================================================== */
.section-title {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
}

.section-title::before {
    content: "";
    width: 5px;
    height: 24px;
    background: var(--primary);
    border-radius: 10px;
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.fw-bold { font-weight: 700; }
.badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}
/* =========================
   FOOTER
========================= */

.footer{
background:#0ea5e9;
padding:15px 20px;
box-shadow:0 2px 10px rgba(0,0,0,.05);
margin-top:40px;
color:white;
text-align:center;
}

.footer a{
color:white;
font-weight:bold;
}

.footer a:hover{
opacity:.9;
}

/* ==========================================================================
   8. RESPONSIVE (واکنش‌گرایی)
   ========================================================================== */
@media (max-width: 992px) {
    .col-md-4 { width: 50%; }
}

@media (max-width: 768px) {
    .topbar-inner { flex-direction: column; gap: 15px; }
    .profile-box { flex-direction: column; text-align: center; }
    .col-md-6, .col-md-4, .col-md-3 { width: 100%; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    
    .app-table thead { display: none; }
    .app-table tr { display: block; border: 1px solid var(--gray-200); margin-bottom: 10px; border-radius: 8px; }
    .app-table td { display: flex; justify-content: space-between; padding: 10px; border: none; }
    .app-table td::before { content: attr(data-label); font-weight: bold; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .quick-grid { grid-template-columns: 1fr 1fr; }
}

/* Scrollbar Customization */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); }
/* =========================
   FOOTER
========================= */

.footer{
background:#0ea5e9;
padding:15px 20px;
box-shadow:0 -2px 10px rgba(0,0,0,.05);
margin-top:40px;
color:white;
text-align:center;
}

.footer a{
color:white;
font-weight:bold;
}

.footer a:hover{
opacity:.9;
}
/* =========================
   TABLE STYLE
========================= */

.app-table{
    width:100%;
    border-collapse:collapse;
    background:#fff;
    border-radius:14px;
    overflow:hidden;
    box-shadow:0 4px 16px rgba(0,0,0,.05);
}

.app-table thead{
    background:linear-gradient(135deg,#0ea5e9,#0284c7);
    color:#fff;
}

.app-table th{
    padding:14px 16px;
    font-size:14px;
    font-weight:700;
    text-align:center;
    border:none;
}

.app-table td{
    padding:14px 16px;
    border-bottom:1px solid #eef2f7;
    text-align:center;
    vertical-align:middle;
    transition:.2s;
}

.app-table tbody tr{
    transition:.2s;
}

.app-table tbody tr:hover{
    background:#f0f9ff;
    transform:scale(1.002);
}

.app-table tbody tr:nth-child(even){
    background:#fafcff;
}

/* =========================
   BUTTON STYLE
========================= */

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    padding:8px 14px;
    border:none;
    border-radius:10px;
    font-size:14px;
    font-weight:600;
    cursor:pointer;
    transition:all .25s ease;
    text-decoration:none;
}

.btn:hover{
    transform:translateY(-2px);
    box-shadow:0 6px 14px rgba(0,0,0,.12);
}

/* Primary */

.btn-primary{
    background:linear-gradient(135deg,#0ea5e9,#0284c7);
    color:#fff;
}

.btn-primary:hover{
    background:linear-gradient(135deg,#0284c7,#0369a1);
}

/* Success */

.btn-success{
    background:linear-gradient(135deg,#22c55e,#16a34a);
    color:#fff;
}

/* Warning */

.btn-warning{
    background:linear-gradient(135deg,#f59e0b,#d97706);
    color:#fff;
}

/* Danger */

.btn-danger{
    background:linear-gradient(135deg,#ef4444,#dc2626);
    color:#fff;
}

/* Info */

.btn-info{
    background:linear-gradient(135deg,#06b6d4,#0891b2);
    color:#fff;
}

/* Small Button */

.btn-sm{
    padding:6px 10px;
    font-size:12px;
    border-radius:8px;
}

/* عملیات */

.actions{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
    justify-content:center;
}
/* =========================
   MINI DASHBOARD STATS
========================= */

.mini-stats-row{
    display:flex;
    flex-wrap:nowrap;
    gap:10px;
    overflow-x:auto;
    margin-bottom:20px;
}

.mini-stat-col{
    flex:1;
    min-width:120px;
}

.mini-stat-card{
    background:#fff;
    border-radius:10px;
    padding:10px 8px;
    text-align:center;
    box-shadow:0 2px 8px rgba(0,0,0,.05);
    border-right:3px solid var(--primary);
    transition:.3s;
}

.mini-stat-card:hover{
    transform:translateY(-2px);
}

.mini-stat-card .stat-icon,
.mini-stat-card .icon{
    width:38px;
    height:38px;
    font-size:1rem;
    margin:0 auto 6px;
    border-radius:50%;
    background:#f1f5f9;
    display:flex;
    align-items:center;
    justify-content:center;
}

.mini-stat-card div{
    font-size:.75rem;
}

.mini-stat-card .stat-number{
    font-size:1rem;
    font-weight:800;
    margin-top:4px;
    color:var(--primary);
}

/* رنگ‌های مختلف */

.mini-stat-col:nth-child(2) .mini-stat-card{
    border-color:var(--success);
}

.mini-stat-col:nth-child(3) .mini-stat-card{
    border-color:var(--warning);
}

.mini-stat-col:nth-child(4) .mini-stat-card{
    border-color:var(--danger);
}

.mini-stat-col:nth-child(5) .mini-stat-card{
    border-color:#8b5cf6;
}

/* موبایل */

@media(max-width:768px){

    .mini-stat-row{
        overflow-x:auto;
    }

    .mini-stat-col{
        min-width:100px;
    }

}
.stats-grid {
/* استایل مدرن برای هدر "لنا" */
.topbar {
    background: linear-gradient(135deg, #0ea5e9, #0284c7) !important;
    color: white !important;
    padding: 10px 0 !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.topbar-title { color: white !important; font-size: 1.2rem !important; display: flex; align-items: center; gap: 10px; }
.logo { width: 40px; height: 40px; border-radius: 8px; }

.user-fullname, .user-username, .user-role { color: white !important; font-size: 0.9rem; }
.user-menu { display: flex; gap: 10px; margin-top: 10px; }

/* استایل لینک‌های هدر */
.header-link, .tick-link, .guide-link {
    background: rgba(255,255,255,0.2);
    padding: 6px 12px;
    border-radius: 8px;
    color: white !important;
    font-size: 0.85rem;
    transition: 0.3s;
}
.header-link:hover, .tick-link:hover, .guide-link:hover {
    background: rgba(255,255,255,0.4);
}
.logout { background: rgba(220, 38, 38, 0.7) !important; }

/* تنظیمات موبایل هدر */
@media (max-width: 768px) {
    .topbar-inner { flex-direction: column; text-align: center; }
    .user-info { flex-direction: column; gap: 5px; }
    .user-menu { flex-wrap: wrap; justify-content: center; }
}
.portal-card{
border:1px solid var(--gray-200);
transition:var(--transition);
}

.portal-card:hover{
transform:translateY(-6px);
box-shadow:var(--shadow-lg);
}

.portal-icon{
font-size:40px;
margin-bottom:10px;
}

.admin-icon{color:var(--danger);}
.teacher-icon{color:var(--primary);}
.student-icon{color:var(--success);}
.login-icon{color:var(--primary);}