/* ========================================
   TRIPIKO — Reusable Components
   ======================================== */

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    transition: all var(--duration-normal) var(--ease-out);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(19, 74, 187, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color-strong);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--text-tertiary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 12px;
}

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

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: var(--text-sm);
    border-radius: var(--radius-xs);
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--text-md);
    border-radius: var(--radius-md);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-xs);
}

.btn-icon.sm {
    width: 32px;
    height: 32px;
}

.btn-full {
    width: 100%;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-flat {
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

/* ---- Inputs ---- */
.input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: all var(--duration-fast);
}

.input:focus {
    background: var(--bg-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.input::placeholder {
    color: var(--text-tertiary);
}

.input-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.input-group {
    margin-bottom: var(--space-lg);
}

/* ---- Select ---- */
.select {
    width: 100%;
    padding: 12px 40px 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: var(--text-base);
    color: var(--text-primary);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238E8E93' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.select:focus {
    background-color: var(--bg-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-bg);
}

/* ---- Badge ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: 0.02em;
}

.badge-primary {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.badge-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* ---- Avatar ---- */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: var(--font-bold);
    color: white;
    background: var(--color-primary);
    flex-shrink: 0;
}

.avatar-sm { width: 28px; height: 28px; font-size: 12px; }
.avatar-lg { width: 56px; height: 56px; font-size: 24px; }
.avatar-xl { width: 80px; height: 80px; font-size: 36px; }

.avatar-group {
    display: flex;
}

.avatar-group .avatar {
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
}

.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    animation: modalOverlayIn var(--duration-normal) var(--ease-out);
}

@keyframes modalOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalIn var(--duration-normal) var(--ease-spring);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

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

.modal-header h3 {
    font-size: var(--text-lg);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--border-color);
}

/* ---- Toast ---- */
.toast-container {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    animation: toastIn var(--duration-normal) var(--ease-spring);
    min-width: 280px;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

.toast-exit {
    animation: toastOut var(--duration-fast) ease-in forwards;
}

@keyframes toastOut {
    to { opacity: 0; transform: translateX(100%); }
}

/* ---- Divider ---- */
.divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    margin: var(--space-lg) 0;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ---- Skeleton ---- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
    border-radius: var(--radius-xs);
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---- Empty state ---- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
    opacity: 0.4;
}

.empty-state h4 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.empty-state p {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    max-width: 280px;
}

/* ---- Checkbox ---- */
.checkbox {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-xs);
    border: 2px solid var(--border-color-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-fast);
    flex-shrink: 0;
}

.checkbox.checked {
    background: var(--color-success);
    border-color: var(--color-success);
}

.checkbox.checked i {
    color: white;
    font-size: 14px;
}

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

/* ---- Progress bar ---- */
.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--color-primary);
    transition: width var(--duration-slow) var(--ease-out);
}

/* ---- Tab bar ---- */
.tab-bar {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow-x: auto;
}

.tab-bar-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--radius-xs);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast);
    white-space: nowrap;
}

.tab-bar-item:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.03);
}

.tab-bar-item.active {
    background: var(--bg-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    font-weight: var(--font-semibold);
}

.tab-bar-item i {
    font-size: 16px;
}

/* ---- Segment control ---- */
.segment-control {
    display: flex;
    gap: 2px;
    padding: 3px;
    background: var(--bg-secondary);
    border-radius: var(--radius-xs);
}

.segment-control-item {
    flex: 1;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-align: center;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.segment-control-item.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* ---- Tag ---- */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}