/* assets/css/style.css */
:root {
    --color-primary: #45818e;
    --color-secondary: #134f5c;
    --color-accent: #bf9000;
    --color-light: #ffe599;
    --color-info: #9fc5e8;
    --color-white: #ffffff;
    --color-dark: #073763;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: #333;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    color: var(--color-white) !important;
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-brand img {
    max-height: 40px;
}

.nav-link {
    color: var(--color-white) !important;
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--color-light) !important;
    transform: translateY(-2px);
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

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

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

.btn-accent:hover {
    background-color: #d4a017;
    border-color: #d4a017;
    color: var(--color-white);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.card-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-radius: 12px 12px 0 0 !important;
    padding: 1rem 1.5rem;
}

/* Dashboard Stats */
.stat-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-secondary);
}

.stat-card .stat-label {
    color: #6c757d;
    font-size: 0.9rem;
}

/* Sidebar */
.sidebar {
    background: var(--color-white);
    min-height: 100vh;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    padding: 1.5rem 0;
}

.sidebar .nav-link {
    color: var(--color-dark) !important;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    transition: all 0.3s;
}

.sidebar .nav-link:hover {
    background-color: var(--color-info);
    color: var(--color-white) !important;
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white) !important;
}

.sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
}

/* Tables */
.table-hover tbody tr:hover {
    background-color: var(--color-light);
}

.table th {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border: none;
}

/* Forms */
.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(69, 129, 142, 0.25);
}

.form-label {
    color: var(--color-secondary);
    font-weight: 500;
}

/* Alerts */
.alert-info {
    background-color: var(--color-info);
    border-color: var(--color-primary);
    color: var(--color-dark);
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
}

/* Badges */
.badge-primary {
    background-color: var(--color-primary);
}

.badge-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-dark));
    color: var(--color-white);
    padding: 3rem 0;
    margin-top: 3rem;
}

.footer a {
    color: var(--color-light);
    text-decoration: none;
}

.footer a:hover {
    color: var(--color-white);
    text-decoration: underline;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-dark));
}

.login-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    max-width: 450px;
    width: 100%;
    margin: 0 auto;
}

.login-card .logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-card .logo h2 {
    color: var(--color-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
    }
    
    .login-card {
        padding: 2rem;
        margin: 1rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
}