:root {
    --primary-color: #013725;
    --secondary-color: #135740;
    --accent-color: #2ecc71;
    --bg-color: #f4f7f5;
    --sidebar-bg: #013725;
    --sidebar-text: #ffffff;
    --text-color: #2c3e50;
    --danger: #e74c3c;
    --warning: #f1c40f;
    --success: #2ecc71;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

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

.text-primary {
    color: var(--primary-color) !important;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
}

/* Sidebar */
#sidebar-wrapper {
    min-height: 100vh;
    width: 260px;
    background: var(--sidebar-bg);
    box-shadow: 4px 0 15px rgba(0,0,0,0.1);
    position: fixed;
    z-index: 1000;
}

#page-content-wrapper {
    margin-left: 260px;
    padding: 2rem;
    width: calc(100% - 260px);
    transition: all 0.3s;
}

#page-content-wrapper.full-width {
    margin-left: 0 !important;
    width: 100% !important;
}

.sidebar-heading {
    padding: 2.5rem 1.5rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1rem;
}

.list-group-item {
    border: none;
    padding: 1rem 1.5rem;
    color: rgba(255,255,255,0.7);
    background: transparent;
    transition: all 0.3s;
    font-weight: 500;
}

.list-group-item:hover, .list-group-item.active {
    background-color: rgba(255,255,255,0.05);
    color: #fff;
    border-left: 4px solid var(--accent-color);
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    background: #fff;
    margin-bottom: 2rem;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid #f0f2f5;
    padding: 1.5rem;
    font-weight: 600;
}

/* Form Styles */
.form-control, .form-select {
    border-radius: 10px;
    border: 1px solid #e1e8ed;
    padding: 0.6rem 1rem;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(74, 144, 226, 0.1);
    border-color: var(--primary-color);
}

.organ-input-group {
    background: #fff;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid #f0f2f5;
    margin-bottom: 10px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Auth Page */
.auth-wrapper {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar-wrapper {
        margin-left: -250px;
    }
    #page-content-wrapper {
        margin-left: 0;
        width: 100%;
    }
}