/* ========================================
   ANDREZA CHARTS - ADMIN DESIGN SYSTEM
   ======================================== */
.admin-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 32px;
    min-height: calc(100vh - 150px);
}

.admin-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 24px 16px;
    height: fit-content;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.admin-nav-item {
    padding: 12px 16px;
    border-radius: var(--r-md);
    color: var(--text2);
    font-weight: 600;
    cursor: pointer;
    transition: .2s;
    display: flex;
    align-items: center;
    gap: 12px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    text-align: left;
}

.admin-nav-item:hover {
    background: var(--bg-hover);
    color: var(--text1);
}

.admin-nav-item.active {
    background: var(--accent-glow);
    color: var(--accent);
}

.admin-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 32px;
}

/* LOGIN SCREEN */
.login-screen {
    max-width: 400px;
    margin: 100px auto;
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.login-screen h2 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text2);
}

.form-control {
    width: 100%;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 10px 14px;
    border-radius: var(--r-md);
    color: var(--text1);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--r-md);
    font-weight: 600;
    cursor: pointer;
    transition: .2s;
}

.btn:hover {
    background: var(--accent2);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text1);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red);
}

.btn-danger:hover {
    background: var(--red);
    color: #fff;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    width: auto;
}

/* DATATABLE */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.admin-header input {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: var(--r-md);
    color: var(--text1);
}

.table-responsive {
    overflow-x: auto;
}

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

.admin-table th, .admin-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 14px;
}

.admin-table th {
    color: var(--text3);
    font-weight: 600;
}

.admin-table tr:hover {
    background: var(--bg-hover);
}

/* MODAL */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: .2s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    width: 100%;
    max-width: 600px;
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    transform: scale(0.95);
    transition: .2s;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 24px;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text2);
    font-size: 24px;
    cursor: pointer;
}

/* ALERTS */
.alert {
    padding: 12px 16px;
    border-radius: var(--r-md);
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}
.alert.error { background: var(--red-soft); color: var(--red); display: block; border: 1px solid rgba(239, 68, 68, 0.3);}
.alert.success { background: var(--green-soft); color: var(--green); display: block; border: 1px solid rgba(34, 197, 94, 0.3);}

@media(max-width: 768px) {
    .admin-container {
        grid-template-columns: 1fr;
    }
}