/**
 * WheresTheList - Mobile-First Styles
 */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #9D0E0E;
    --color-primary-dark: #7a0b0b;
    --color-primary-light: #c41515;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-danger-light: #fef2f2;
    --color-muted: #6b7280;
    --color-bg: #faf5f5;
    --color-card: #ffffff;
    --color-border: #e5e7eb;
    --color-text: #1f2937;
    --color-text-light: #9ca3af;

    --tap-target: 44px;
    --spacing: 1rem;
    --radius: 12px;
    --shadow: 0 2px 8px rgba(157, 14, 14, 0.1);
    --bottom-nav-height: 56px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Fredoka', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    padding-bottom: calc(var(--bottom-nav-height) + 1rem);
}

/* === Header === */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem var(--spacing);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.btn-header {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--tap-target);
    height: var(--tap-target);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    transition: background 0.2s;
    background: none;
    border: none;
    cursor: pointer;
}

.btn-header:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* === Main Content === */
.app-main {
    padding: var(--spacing);
    max-width: 600px;
    margin: 0 auto;
}

/* === Bottom Navigation === */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--color-card);
    display: flex;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.bottom-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-muted);
    cursor: pointer;
    transition: all 0.2s;
    padding: 0.5rem;
}

.bottom-nav-btn svg {
    width: 22px;
    height: 22px;
}

.bottom-nav-btn.active {
    color: var(--color-primary);
    background: rgba(157, 14, 14, 0.08);
}

.bottom-nav-btn:first-child {
    border-right: 1px solid var(--color-border);
}

/* === Add Item Form (single line) === */
.add-item-container {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing);
}

.add-item-form {
    width: 100%;
}

.add-item-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.add-item-input-wrapper {
    position: relative;
    flex: 1;
}

#add-item-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: white;
}

#add-item-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

#add-item-input::placeholder {
    color: var(--color-text-light);
}

/* Section Select - compact */
.section-select {
    min-width: 80px;
    max-width: 100px;
    height: 44px;
    padding: 0 0.5rem;
    font-family: inherit;
    font-size: 0.9rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: white;
    cursor: pointer;
    flex-shrink: 0;
}

.section-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Add Button */
.btn-add {
    height: 44px;
    padding: 0 1rem;
    font-size: 1rem;
    flex-shrink: 0;
}

/* === Autocomplete === */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-height: 200px;
    overflow-y: auto;
    z-index: 50;
}

.autocomplete-dropdown.hidden {
    display: none;
}

.autocomplete-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--color-bg);
}

/* === List Controls (Hide Completed + Shopping Mode) === */
.list-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing);
}

.completed-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-muted);
    font-size: 0.875rem;
    cursor: pointer;
}

.completed-toggle input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

body.hide-completed .items-completed {
    display: none;
}

#shopping-mode-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* === Alerts === */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: var(--spacing);
    font-size: 0.9rem;
}

.alert-error {
    background: var(--color-danger-light);
    border: 1px solid #fecaca;
    color: #b91c1c;
}

.alert-success {
    background: #d1fae5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

/* === Sections === */
.section {
    background: var(--color-card);
    border-radius: var(--radius);
    margin-bottom: var(--spacing);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-header {
    padding: 0.75rem var(--spacing);
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    background: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* === Items === */
.items-list {
    padding: 0;
}

.item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem var(--spacing);
    border-bottom: 1px solid var(--color-border);
    min-height: var(--tap-target);
}

.item:last-child {
    border-bottom: none;
}

.item-form {
    display: flex;
    margin: 0;
}

.item-checkbox {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

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

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

.checkbox-icon {
    font-size: 14px;
    line-height: 1;
}

.item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    min-width: 0;
}

.item-name {
    font-size: 1rem;
    word-break: break-word;
}

.item-note {
    font-size: 0.8rem;
    color: var(--color-muted);
    word-break: break-word;
}

.item.completed .item-name {
    text-decoration: line-through;
    color: var(--color-text-light);
}

.item.completed .item-note {
    text-decoration: line-through;
    color: var(--color-text-light);
    opacity: 0.7;
}

.item-delete {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--tap-target);
    height: var(--tap-target);
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    border-radius: var(--radius);
    transition: color 0.2s, background 0.2s;
    flex-shrink: 0;
    margin: -0.5rem -0.5rem -0.5rem 0;
}

.item-delete:hover {
    color: var(--color-danger);
    background: var(--color-danger-light);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--tap-target);
    padding: 0.75rem 1.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

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

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

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

.btn-secondary:hover {
    background: #d1d5db;
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    min-height: 36px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* === Login Page === */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing);
    background: var(--color-bg);
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--color-card);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(157, 14, 14, 0.15);
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.login-subtitle {
    text-align: center;
    color: var(--color-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.login-form .form-group {
    margin-bottom: 1rem;
}

.login-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
}

.login-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.login-form .btn {
    margin-top: 0.5rem;
}

/* === User Management === */
.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
    color: var(--color-text);
}

.user-list {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--spacing);
    border-bottom: 1px solid var(--color-border);
}

.user-item:last-child {
    border-bottom: none;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 1rem;
}

.user-meta {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.user-actions {
    display: flex;
    gap: 0.5rem;
}

.add-user-form {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: var(--spacing);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing);
}

.form-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 150px;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
}

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

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-muted);
}

/* === Back Link === */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: var(--spacing);
}

.back-link:hover {
    text-decoration: underline;
}

/* === Desktop Enhancements === */
@media (min-width: 640px) {
    .app-main {
        padding: 1.5rem;
    }

    .section-header {
        padding: 1rem 1.25rem;
    }

    .item {
        padding: 0.75rem 1.25rem;
    }

    .add-item-row {
        gap: 0.75rem;
    }

    .section-select {
        min-width: 100px;
        max-width: 120px;
    }

    .form-row {
        flex-wrap: nowrap;
    }
}

/* === Add Page === */
.add-page {
    padding-bottom: calc(var(--bottom-nav-height) + 1rem);
}

.add-form-section,
.quick-add-section {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: var(--spacing);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing);
}

.add-form-section h2,
.quick-add-section h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.quick-add-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.quick-add-header h2 {
    margin-bottom: 0;
}

/* Quick Add Grid */
.quick-add-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
}

.quick-add-btn {
    padding: 0.75rem 0.5rem;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    word-break: break-word;
}

.quick-add-btn:hover {
    border-color: var(--color-primary);
    background: rgba(157, 14, 14, 0.05);
}

.quick-add-btn:active {
    transform: scale(0.95);
    background: rgba(157, 14, 14, 0.1);
}

.quick-add-btn.adding {
    opacity: 0.6;
    pointer-events: none;
}

/* Add Form */
.add-form .form-group {
    margin-bottom: 1rem;
}

.add-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.add-form input[type="text"],
.add-form .form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: white;
}

.add-form input[type="text"]:focus,
.add-form .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.add-form .form-select {
    cursor: pointer;
}

/* Add Button on list page */
.btn-add-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

/* Duplicate Hint */
.duplicate-hint {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #fef9c3;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #854d0e;
}

.duplicate-hint.hidden {
    display: none;
}

/* === Modal === */
.modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing);
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: var(--color-card);
    border-radius: var(--radius);
    width: 100%;
    max-width: 400px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

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

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-muted);
    padding: 0.25rem;
}

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

.modal-body {
    padding: var(--spacing);
    overflow-y: auto;
    flex: 1;
}

/* Quick Add Management */
.quick-add-manage-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.quick-add-manage-form input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    border: 2px solid var(--color-border);
    border-radius: 8px;
}

.quick-add-manage-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.quick-add-manage-list {
    list-style: none;
}

.quick-add-manage-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--color-bg);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.quick-add-manage-list .drag-handle {
    cursor: grab;
    color: var(--color-muted);
    font-size: 1.2rem;
}

.quick-add-manage-list .quick-add-item-name {
    flex: 1;
    font-size: 0.9rem;
}

.quick-add-manage-list .delete-quick-add-btn {
    background: none;
    border: none;
    color: var(--color-danger);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
}

.quick-add-manage-list .delete-quick-add-btn:hover {
    background: var(--color-danger-light);
    border-radius: 4px;
}

/* === Undo Toast === */
.undo-toast {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + 1rem);
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 200;
    animation: slideUp 0.3s ease-out;
    max-width: calc(100% - 2rem);
}

.undo-toast.hidden {
    display: none;
}

.undo-message {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.undo-btn {
    background: transparent;
    border: none;
    color: var(--color-primary-light);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    text-transform: uppercase;
    flex-shrink: 0;
}

.undo-btn:hover {
    text-decoration: underline;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* === Shopping Mode === */
.exit-shopping-mode {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 400;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
}

.exit-shopping-mode.hidden {
    display: none;
}

.exit-shopping-mode:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Shopping Mode Active Styles */
body.shopping-mode {
    background: #1a1a1a;
    color: #f0f0f0;
    padding-bottom: 0;
}

body.shopping-mode .app-header,
body.shopping-mode .add-item-container,
body.shopping-mode .list-controls,
body.shopping-mode .bottom-nav,
body.shopping-mode .item-delete,
body.shopping-mode .items-completed,
body.shopping-mode .undo-toast {
    display: none !important;
}

body.shopping-mode .app-main {
    max-width: 100%;
    padding: 4rem 1rem 1rem;
}

body.shopping-mode .section {
    background: #2a2a2a;
    box-shadow: none;
    border-radius: var(--radius);
}

body.shopping-mode .item {
    border-bottom-color: #3a3a3a;
    padding: 1rem var(--spacing);
    min-height: 60px;
}

body.shopping-mode .item-name {
    font-size: 1.25rem;
}

body.shopping-mode .item-note {
    font-size: 0.9rem;
    color: #888;
}

body.shopping-mode .item-checkbox {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border-color: #555;
    background: #333;
}

body.shopping-mode .item-checkbox:hover {
    border-color: var(--color-primary-light);
}

body.shopping-mode .item-checkbox.checked {
    background: var(--color-success);
    border-color: var(--color-success);
}

body.shopping-mode .checkbox-icon {
    font-size: 18px;
}

body.shopping-mode .exit-shopping-mode {
    display: flex;
}

/* === Print Styles === */
@media print {
    .app-header,
    .add-item-container,
    .item-delete,
    .completed-toggle,
    .bottom-nav {
        display: none !important;
    }

    body {
        padding: 0;
        background: white;
    }

    .section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}