/* style.css - সম্পূর্ণ ফাংশনাল ডিজাইন */

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

:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --success-dark: #3ab7dc;
    --danger: #f72585;
    --danger-dark: #e01b7a;
    --warning: #f8961e;
    --warning-dark: #e0851b;
    --info: #4895ef;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --white: #ffffff;
    --sidebar-width: 280px;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --hover-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Hind Siliguri', sans-serif;
    background: #f5f7fb;
    min-height: 100vh;
    display: flex;
}

/* সাইডবার */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(195deg, var(--primary), var(--secondary));
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
    z-index: 1000;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}

.logo-icon {
    width: 70px;
    height: 70px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 32px;
}

.sidebar-header h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.sidebar-header p {
    font-size: 14px;
    opacity: 0.8;
}

.sidebar-menu {
    padding: 20px 0;
}

.menu-item {
    padding: 14px 25px;
    display: flex;
    align-items: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    margin: 4px 15px;
    border-radius: 12px;
    position: relative;
}

.menu-item i {
    width: 30px;
    font-size: 20px;
}

.menu-item span {
    font-size: 16px;
    font-weight: 500;
}

.menu-item:hover, .menu-item.active {
    background: rgba(255,255,255,0.15);
    transform: translateX(5px);
}

.menu-item.active::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 30px;
    background: var(--white);
    border-radius: 0 4px 4px 0;
}

/* মূল কন্টেন্ট */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 25px 35px;
    background: #f5f7fb;
}

/* টপবার */
.topbar {
    background: var(--white);
    padding: 15px 25px;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-title h1 {
    font-size: 26px;
    color: var(--dark);
    font-weight: 700;
    margin-bottom: 5px;
}

.page-title p {
    color: var(--gray);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 25px;
}

.user-info span {
    color: var(--dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: #f8f9fa;
    border-radius: 40px;
}

.logout-btn {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: var(--white);
    padding: 10px 22px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(247, 37, 133, 0.3);
}

/* স্ট্যাটস কার্ড */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 35px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.02);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.stat-info h3 {
    color: var(--gray);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 34px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 5px;
}

.stat-small {
    color: var(--gray);
    font-size: 13px;
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

/* সেকশন টাইটেল */
.section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    margin: 35px 0 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    color: var(--primary);
}

/* কুইক মেনু */
.quick-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.quick-menu-item {
    background: var(--white);
    padding: 25px;
    border-radius: 18px;
    box-shadow: var(--card-shadow);
    text-align: center;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.02);
}

.quick-menu-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
    border-color: var(--primary);
}

.quick-menu-item i {
    font-size: 42px;
    color: var(--primary);
    margin-bottom: 15px;
}

.quick-menu-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.quick-menu-item p {
    color: var(--gray);
    font-size: 13px;
}

/* ফর্ম স্টাইলিং */
.form-container {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
    border: 1px solid rgba(0,0,0,0.02);
}

.form-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-title i {
    color: var(--primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Hind Siliguri', sans-serif;
    transition: var(--transition);
    background: #fafbfc;
}

.form-control:focus {
    border-color: var(--primary);
    outline: none;
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

select.form-control {
    cursor: pointer;
    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='%234361ee' 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;
    padding-right: 45px;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.btn {
    padding: 14px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Hind Siliguri', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(67, 97, 238, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success-dark));
    color: var(--white);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), var(--danger-dark));
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), var(--warning-dark));
    color: var(--white);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* টেবিল স্টাইলিং */
.table-container {
    background: var(--white);
    padding: 25px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    overflow-x: auto;
    border: 1px solid rgba(0,0,0,0.02);
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.table th {
    background: #f8f9fa;
    padding: 16px 15px;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 3px solid var(--primary);
    text-align: left;
    font-size: 15px;
}

.table td {
    padding: 16px 15px;
    border-bottom: 1px solid var(--gray-light);
    color: var(--dark);
}

.table tr:hover td {
    background: #f8f9fa;
}

/* ব্যাজ */
.badge {
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-primary {
    background: #cfe2ff;
    color: #084298;
}

/* অ্যাকশন বাটন */
.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 8px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border: none;
    cursor: pointer;
}

.action-btn.edit {
    background: var(--warning);
    color: var(--white);
}

.action-btn.delete {
    background: var(--danger);
    color: var(--white);
}

.action-btn.view {
    background: var(--info);
    color: var(--white);
}

.action-btn.approve {
    background: var(--success);
    color: var(--white);
}

.action-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* অ্যালার্ট */
.alert {
    padding: 16px 22px;
    border-radius: 14px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 6px solid #28a745;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left: 6px solid #dc3545;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 6px solid #ffc107;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 6px solid #17a2b8;
}

/* মডাল */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--gray-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* লগইন পেজ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 20px;
}

.login-box {
    background: var(--white);
    width: 100%;
    max-width: 480px;
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header .logo-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    color: var(--white);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.4);
}

.login-header h2 {
    font-size: 32px;
    color: var(--dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.login-header p {
    color: var(--gray);
    font-size: 16px;
}

.login-form .form-group {
    margin-bottom: 25px;
}

.login-form input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-light);
    border-radius: 15px;
    font-size: 16px;
    font-family: 'Hind Siliguri', sans-serif;
    transition: var(--transition);
}

.login-form input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

.login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    border-radius: 15px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Hind Siliguri', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.4);
}

/* সার্চ বক্স */
.search-box {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 12px 18px;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    font-size: 15px;
}

.search-box button {
    padding: 12px 25px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
}

/* প্যাগিনেশন */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 25px;
}

.page-item {
    padding: 8px 15px;
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.page-item.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* রেসপন্সিভ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-menu {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .login-box {
        padding: 30px;
    }
}