/* ===================================
   GLOBAL STYLES & RESET
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5530;
    --secondary-color: #4a7c59;
    --accent-color: #f8b500;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #ddd;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

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

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: var(--bg-white);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
    animation: slideIn 0.5s ease-out;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header img {
    display: block;
    margin: 0 auto 15px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--text-light);
    font-size: 14px;
}

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

.login-form label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-dark);
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer small {
    color: var(--text-light);
    font-size: 12px;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

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

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--text-dark);
}

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* ===================================
   MAIN LAYOUT
   =================================== */
.main-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--primary-color);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar-header {
    padding: 20px;
    background-color: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header img.logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.sidebar.collapsed .sidebar-header img.logo {
    width: 40px;
    height: 40px;
}

.sidebar-header-content {
    flex: 1;
    transition: all 0.3s ease;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-header-content {
    opacity: 0;
    width: 0;
    height: 0;
    overflow: hidden;
}

.sidebar-header h2 {
    font-size: 18px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 12px;
    opacity: 0.8;
}

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

.menu-item {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.menu-item:hover {
    background-color: rgba(255,255,255,0.1);
}

.menu-item.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.menu-item i {
    margin-right: 10px;
    width: 20px;
    flex-shrink: 0;
}

.menu-item span {
    transition: all 0.3s ease;
}

.sidebar.collapsed .menu-item span {
    opacity: 0;
    width: 0;
    height: 0;
    overflow: hidden;
    margin: 0;
}

.sidebar.collapsed .menu-item {
    justify-content: center;
    padding: 12px;
}

.sidebar.collapsed .menu-item i {
    margin-right: 0;
}

.sidebar.collapsed .menu-divider {
    margin: 10px 10px;
}

.menu-divider {
    height: 1px;
    background-color: rgba(255,255,255,0.1);
    margin: 10px 20px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.main-content.sidebar-collapsed {
    margin-left: 80px;
}

.top-navbar {
    background-color: var(--bg-white);
    padding: 15px 30px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 20px;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.sidebar-toggle:hover {
    background-color: var(--bg-light);
    transform: scale(1.1);
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

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

.user-name {
    font-weight: 500;
}

.content-wrapper {
    padding: 30px;
}

/* ===================================
   CARDS & PANELS
   =================================== */
.card {
    background-color: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

/* ===================================
   FORMS
   =================================== */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    color: var(--text-light);
    font-size: 12px;
}

/* ===================================
   TABLES
   =================================== */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background-color: var(--primary-color);
    color: white;
}

table th,
table td {
    padding: 12px;
    text-align: left;
}

table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

table tbody tr:hover {
    background-color: var(--bg-light);
}

.table-actions {
    display: flex;
    gap: 5px;
}

/* ===================================
   STATS CARDS (Dashboard)
   =================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.stat-card.blue {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

.stat-card.green {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.stat-card.orange {
    background: linear-gradient(135deg, #e67e22, #d35400);
}

.stat-card.purple {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .sidebar {
        width: 80px;
    }
    
    .sidebar-header h2,
    .sidebar-header p,
    .menu-item span {
        display: none;
    }
    
    .sidebar.collapsed {
        width: 80px;
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 80px;
    }
    
    .sidebar.collapsed .sidebar-header img.logo {
        width: 35px;
        height: 35px;
    }
    
    .main-content {
        margin-left: 80px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   UTILITIES
   =================================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }

.d-flex {
    display: flex;
}

.gap-2 {
    gap: 10px;
}

.float-right {
    float: right;
}