/* ==========================================================================
   Components — Buttons, cards, badges, forms, modals, notifications, tables
   ========================================================================== */

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: var(--font-ui);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: black;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-danger {
    background: rgba(255, 68, 68, 0.15);
    color: var(--error-color);
    border: 1px solid rgba(255, 68, 68, 0.3);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-danger:hover {
    background: rgba(255, 68, 68, 0.25);
    border-color: var(--error-color);
}

.btn-success {
    background: rgba(40, 167, 69, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(40, 167, 69, 0.3);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-success:hover {
    background: rgba(40, 167, 69, 0.25);
    border-color: var(--success-color);
}

.btn-warning {
    background: rgba(255, 193, 7, 0.15);
    color: var(--warning-color);
    border: 1px solid rgba(255, 193, 7, 0.3);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-warning:hover {
    background: rgba(255, 193, 7, 0.25);
    border-color: var(--warning-color);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

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

.btn-update:hover {
    background: var(--primary-light);
}

.btn-remove {
    background: var(--error-color);
    color: var(--text-color);
    padding: 8px;
}

.btn-remove:hover {
    background: #ff6666;
}

/* ── Status badges ───────────────────────────────────────────────────────── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.active,
.status-badge.online {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.status-badge.inactive,
.status-badge.offline {
    background: rgba(220, 53, 69, 0.1);
    color: #ef4444;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.status-badge.pending {
    background: var(--warning-color);
    color: var(--text-primary);
}

.status-badge.completed {
    background: var(--success-color);
    color: var(--text-primary);
}

.status-badge.cancelled,
.status-badge.expired {
    background: var(--error-color);
    color: var(--text-primary);
}

.status-badge.maintenance {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 193, 7, 0.3);
}

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-dark);
    color: var(--text-color);
    font-family: var(--font-ui);
    font-size: 0.95rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 140, 0, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* ── Modals ──────────────────────────────────────────────────────────────── */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    background: var(--card-color);
    padding: 30px;
    width: 90%;
    max-width: 600px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2,
.modal-header h3 {
    margin: 0;
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.1);
}

/* ── Notifications / messages ────────────────────────────────────────────── */
.message {
    padding: 12px;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.message.error {
    background: rgba(255, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(255, 68, 68, 0.2);
}

.message.success {
    background: rgba(152, 249, 118, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(152, 249, 118, 0.2);
}

.message.warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.notification {
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease-out;
}

.notification.success {
    background: rgba(40, 167, 69, 0.1);
    color: #2ecc71;
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.notification.error {
    background: rgba(220, 53, 69, 0.1);
    color: #e74c3c;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.notification.warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 193, 7, 0.2);
}

/* ── Tables ──────────────────────────────────────────────────────────────── */
table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

table tr:last-child td {
    border-bottom: none;
}

/* ── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* ── Action buttons row ──────────────────────────────────────────────────── */
.action-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}