/*
* ঘাগড়া ইউনিয়ন কলেজ-বিশ্ববিদ্যালয় ছাত্র সংসদ
* কালার প্যালেট:
* - প্রাইমারি: #6366f1 (Indigo)
* - সেকেন্ডারি: #10b981 (Emerald) 
* - এক্সেন্ট: #f59e0b (Amber)
* - ডেঞ্জার: #ef4444 (Red)
* - ইনফো: #3b82f6 (Blue)
* - ডার্ক: #1f2937
* - লাইট: #f9fafb
*/

@import url('https://fonts.googleapis.com/css2?family=Hind+Siliguri:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: 'Hind Siliguri', 'SolaimanLipi', 'Siyam Rupali', sans-serif;
    background-color: #f9fafb;
    color: #1f2937;
    line-height: 1.6;
}

/* কাস্টম স্ক্রোলবার */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #6366f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4f52e0;
}

/* কন্টেইনার */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* মোবাইল ফার্স্ট ডিজাইন */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

[class*="col-"] {
    padding: 0 10px;
    width: 100%;
}

@media (min-width: 576px) {
    .col-sm-6 { width: 50%; }
    .col-sm-4 { width: 33.33%; }
    .col-sm-3 { width: 25%; }
}

@media (min-width: 768px) {
    .col-md-6 { width: 50%; }
    .col-md-4 { width: 33.33%; }
    .col-md-3 { width: 25%; }
    .col-md-2 { width: 16.66%; }
}

@media (min-width: 992px) {
    .col-lg-4 { width: 33.33%; }
    .col-lg-3 { width: 25%; }
    .col-lg-2 { width: 16.66%; }
}

/* নেভিগেশন বার */
.navbar {
    background: linear-gradient(135deg, #6366f1 0%, #4f52e0 100%);
    padding: 15px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.2);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #6366f1 0%, #4f52e0 100%);
        flex-direction: column;
        padding: 20px;
        text-align: center;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .nav-menu.show {
        display: flex;
    }
}

/* কার্ড ডিজাইন */
.card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(99, 102, 241, 0.1);
}

.card-header {
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 15px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    color: #1f2937;
    font-weight: 600;
}

/* রোল-বেসড গ্রেডিয়েন্ট কার্ড */
.superadmin-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.admin-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.subadmin-card {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

.member-card {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    color: white;
}

/* ফর্ম এলিমেন্ট */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #4b5563;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control.error {
    border-color: #ef4444;
}

.form-control.success {
    border-color: #10b981;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234b5563' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

/* বাটন */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: #6366f1;
    color: white;
}

.btn-primary:hover {
    background: #4f52e0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-warning {
    background: #f59e0b;
    color: white;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-info {
    background: #3b82f6;
    color: white;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ফটো কার্ড */
.photo-card {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.photo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(99, 102, 241, 0.1);
}

.photo-card img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #6366f1;
    margin-bottom: 15px;
}

.photo-card h4 {
    color: #1f2937;
    font-weight: 600;
    margin-bottom: 5px;
}

.photo-card .designation {
    color: #6366f1;
    font-weight: 500;
    margin-bottom: 10px;
}

.photo-card .phone {
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

/* ড্যাশবোর্ড স্ট্যাটস কার্ড */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-left: 4px solid #6366f1;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #6366f1;
}

.stat-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 5px;
}

.stat-content p {
    color: #6b7280;
    margin: 0;
}

/* টেবিল */
.table-responsive {
    overflow-x: auto;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

table thead {
    background: #6366f1;
    color: white;
}

table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e5e7eb;
}

table tbody tr:hover {
    background: #f9fafb;
}

/* ব্যাজ */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* অ্যালার্ট */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid transparent;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: #10b981;
    color: #10b981;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: #f59e0b;
    color: #f59e0b;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: #ef4444;
    color: #ef4444;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: #3b82f6;
    color: #3b82f6;
}

/* ফুটার */
.footer {
    background: #1f2937;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-content {
    text-align: center;
}

.footer p {
    margin: 5px 0;
    color: #9ca3af;
}

/* মোবাইল ফ্রেন্ডলি অ্যাডজাস্টমেন্ট */
@media (max-width: 576px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .photo-card img {
        width: 100px;
        height: 100px;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    table th, table td {
        padding: 8px 10px;
    }
}

/* লোডিং অ্যানিমেশন */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    border-top-color: #6366f1;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* অ্যাপ্রুভাল কার্ড */
.approval-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #f59e0b;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    position: relative;
}

.approval-card.approved {
    border-left-color: #10b981;
}

.approval-card.rejected {
    border-left-color: #ef4444;
}

.approval-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.approval-actions {
    display: flex;
    gap: 10px;
}

@media (max-width: 576px) {
    .approval-actions {
        flex-direction: column;
    }
}

/* ইমেজ প্রিভিউ */
.image-preview {
    width: 150px;
    height: 150px;
    border: 2px dashed #e5e7eb;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* প্রিন্ট স্টাইল */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}