/* ==========================================
   Components CSS - Buttons, Forms, Cards, etc.
   ========================================== */

/* Flash Container (floating) */
.flash-container {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
    width: calc(100% - 2rem);
    pointer-events: none;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    border: 1px solid transparent;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    pointer-events: auto;
    animation: slideIn 0.3s ease, fadeOut 0.5s ease 3s forwards;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(-0.5rem);
    }
}

.alert-success {
    background: var(--success);
    border-color: #3d8a6a;
}

.alert-error {
    background: var(--error);
    border-color: #b54040;
}

.alert-warning {
    background: var(--warning);
    border-color: #9a7c3f;
}

.alert-info {
    background: var(--accent);
    border-color: var(--accent-hover);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s;
    gap: 0.5rem;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #3d8a6a;
    color: #fff;
}

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

.btn-danger:hover {
    background: #b54040;
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input {
    width: auto;
    accent-color: var(--accent);
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

/* Card as link (anchor tags need display block/flex) */
a.card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

/* Card Grid (equal-sized cards) */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 1rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Home page */
.home-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.home-link {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.15s;
}

.home-link:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.home-link h2 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.home-link p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th, td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Table wrapper for mobile scroll */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Page headers */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.page-header .actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Page Header with back button */
.page-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.back-btn {
    padding: 0.35rem;
    border-radius: 6px;
}

.back-btn svg {
    display: block;
}

/* Inline form for buttons in flex containers */
.inline-form {
    display: flex;
    margin: 0;
}

/* Dialog Modal (base) */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    padding: 1rem;
}

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

.dialog-box {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    max-width: 320px;
    width: 100%;
    transform: translateY(20px) scale(0.98);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), opacity 0.3s, background-color 0.3s;
}

.dialog-overlay.active .dialog-box {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.dialog-box h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.dialog-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.dialog-box strong {
    color: var(--text-primary);
}

.dialog-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.dialog-actions .btn {
    padding: 0.6rem 1.25rem;
}

/* Modal Overlay and Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}

/* App Dialog (Custom confirm/alert dialogs) */
.app-dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1rem;
}

.app-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    animation: dialogSlideIn 0.2s ease-out;
}

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

.app-dialog-header {
    padding: 1.25rem 1.25rem 0;
}

.app-dialog-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.app-dialog-body {
    padding: 1rem 1.25rem;
}

.app-dialog-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.app-dialog-footer {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.app-dialog-footer .btn {
    min-width: 80px;
}

/* Badge (Role indicator) */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.badge-primary {
    background: var(--accent);
    color: #fff;
}

/* Offline Indicator Banner */
.offline-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--warning);
    color: #fff;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.85rem;
    z-index: 1000;
    display: none;
}

.offline-banner.visible {
    display: block;
}

/* Mobile Responsive - Components */
@media (max-width: 640px) {
    /* Page header */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .page-header h1 {
        font-size: 1.25rem;
    }

    .page-header .actions {
        width: 100%;
    }

    .page-header .actions .btn {
        flex: 1;
        justify-content: center;
    }

    .page-header-left {
        flex: 1;
    }

    /* Cards */
    .card {
        padding: 1rem;
    }

    /* Home links */
    .home-links {
        grid-template-columns: 1fr;
        margin-top: 1.5rem;
    }

    /* Grid */
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    /* Table */
    table {
        font-size: 0.8rem;
    }

    th, td {
        padding: 0.625rem 0.5rem;
    }

    /* Buttons in table */
    td .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }

    /* Forms on mobile */
    .form-group input,
    .form-group select {
        font-size: 16px; /* Prevents zoom on iOS */
    }

    /* Alerts */
    .alert {
        font-size: 0.8rem;
        padding: 0.625rem 0.875rem;
    }
}

/* ==========================================
   PWA Components
   ========================================== */

/* Update Banner */
.update-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--accent-primary);
    color: var(--text-inverse);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    z-index: 2000;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.update-banner .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.update-banner .btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Install Button */
.install-btn {
    animation: pulse 2s ease-in-out 3;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Offline Banner Enhancement */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--semantic-warning);
    color: var(--bg-deep);
    text-align: center;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    z-index: 1999;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.offline-banner.visible {
    transform: translateY(0);
}

/* Sync Status Badge */
.sync-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--accent-subtle);
    color: var(--accent-primary);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 0.5rem;
}

.offline-badge {
    display: inline-flex;
    align-items: center;
    background: var(--semantic-warning-subtle);
    color: var(--semantic-warning);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    margin-left: 0.5rem;
}