/* Mobile-First Responsive CSS for LogKeep with Dark Mode */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --success-color: #16a34a;
    --warning-color: #ca8a04;
    --error-color: #dc2626;
    --info-color: #0891b2;
    
    /* Light mode (default) */
    --bg-color: #f3f4f6;
    --text-color: #1f2937;
    --border-color: #e5e7eb;
    --input-bg: #f9fafb;
    --card-bg: #ffffff;
    --header-bg: #2563eb;
    --header-text: #ffffff;
    --link-url-color: #6b7280;
    --tag-bg: #e0e7ff;
    --tag-text: #3730a3;
    --histogram-label-color: #6b7280;
}

[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --success-color: #22c55e;
    --warning-color: #eab308;
    --error-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Dark mode */
    --bg-color: #111827;
    --text-color: #f3f4f6;
    --border-color: #374151;
    --input-bg: #1f2937;
    --card-bg: #1f2937;
    --header-bg: #1f2937;
    --header-text: #f3f4f6;
    --link-url-color: #9ca3af;
    --tag-bg: #3730a3;
    --tag-text: #e0e7ff;
    --histogram-label-color: #9ca3af;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 0;
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: #2563eb;
}

[data-theme="dark"] a {
    color: #60a5fa;
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

/* Header */
header {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 8px 16px;
    margin-bottom: 24px;
    transition: background-color 0.3s ease;
}

header h1 {
    font-size: 24px;
    margin-bottom: 8px;
}

header h1 .repo-info {
    font-size: 16px;
    font-weight: normal;
    opacity: 0.9;
    font-family: inherit;
    letter-spacing: normal;
}

header h1 .logout-link {
    font-size: 14px;
    font-weight: normal;
    opacity: 0.9;
    background: none;
    background-color: transparent;
    border: none;
    color: var(--header-text);
    cursor: pointer;
    padding: 0;
    margin: 0;
    text-decoration: none;
    font-family: inherit;
    letter-spacing: normal;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

header h1 .logout-link:hover {
    opacity: 1;
}

header .user-info {
    font-size: 14px;
    opacity: 0.9;
}

/* Dark Mode Toggle */
/* Navigation */
nav {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
    align-items: center;
}

nav a, nav button {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 14px;
    font-family: inherit;
    font-weight: normal;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    line-height: normal;
    box-sizing: border-box;
    vertical-align: middle;
}

[data-theme="dark"] nav a,
[data-theme="dark"] nav button {
    color: var(--text-color);
}

nav a:hover, nav button:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

input[type="text"],
input[type="password"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-color);
    min-height: 48px;
    transition: border-color 0.2s, background-color 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    background-color: #111827;
}

/* Score Slider (0-1 range) */
input[type="range"].score-slider {
    width: 100%;
    height: 48px;
    padding: 0;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

input[type="range"].score-slider::-webkit-slider-track {
    width: 100%;
    height: 8px;
    background: var(--primary-color);
    border-radius: 4px;
}

input[type="range"].score-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 32px;
    background: var(--card-bg);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="range"].score-slider::-moz-range-track {
    width: 100%;
    height: 8px;
    background: var(--primary-color);
    border-radius: 4px;
}

input[type="range"].score-slider::-moz-range-thumb {
    width: 32px;
    height: 32px;
    background: var(--card-bg);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="range"].score-slider:focus {
    outline: none;
}

input[type="range"].score-slider:focus::-webkit-slider-thumb {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

input[type="range"].score-slider:focus::-moz-range-thumb {
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: normal;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

[data-theme="dark"] .btn-primary {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--text-color);
}

[data-theme="dark"] .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

[data-theme="dark"] .btn-secondary {
    background-color: #4b5563;
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: #374151;
}

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

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

.btn-small {
    padding: 8px 16px;
    min-height: 40px;
    font-size: 14px;
    width: auto;
}

/* Alerts */
.alert {
    padding: 16px;
    margin-bottom: 20px;
    border-radius: 8px;
    border-left: 4px solid;
    transition: background-color 0.3s, color 0.3s;
}

.alert-success {
    background-color: #dcfce7;
    border-color: var(--success-color);
    color: #166534;
}

[data-theme="dark"] .alert-success {
    background-color: rgba(34, 197, 94, 0.2);
    color: #86efac;
}

.alert-error {
    background-color: #fee2e2;
    border-color: var(--error-color);
    color: #991b1b;
}

[data-theme="dark"] .alert-error {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: var(--warning-color);
    color: #92400e;
}

[data-theme="dark"] .alert-warning {
    background-color: rgba(251, 191, 36, 0.2);
    color: #fde047;
}

.alert-info {
    background-color: #cffafe;
    border-color: var(--info-color);
    color: #164e63;
}

[data-theme="dark"] .alert-info {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
    transition: background-color 0.3s, border-color 0.3s;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

/* Histograms */
.histogram-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.histogram-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: background-color 0.3s, border-color 0.3s;
}

.histogram-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.histogram {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 150px;
    gap: 4px;
    padding: 8px 0;
    border-bottom: 2px solid var(--border-color);
}

.histogram-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.histogram-bar {
    width: 100%;
    background: linear-gradient(to top, var(--primary-color), var(--primary-hover));
    border-radius: 4px 4px 0 0;
    min-height: 2px;
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    transition: opacity 0.2s;
}

.histogram-bar:hover {
    opacity: 0.8;
}

.histogram-count {
    font-size: 10px;
    font-weight: 600;
    color: white;
    padding: 2px 4px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.histogram-label {
    font-size: 11px;
    color: var(--histogram-label-color);
    margin-top: 4px;
    text-align: center;
    white-space: nowrap;
}

@media (min-width: 768px) {
    .histogram {
        height: 180px;
    }
    
    .histogram-count {
        font-size: 12px;
    }
    
    .histogram-label {
        font-size: 12px;
    }
}

/* Link List */
.link-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    transition: background-color 0.3s, border-color 0.3s;
}

.link-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.link-title {
    font-weight: 600;
    font-size: 16px;
    flex: 1;
    margin-right: 8px;
}

.link-url {
    color: var(--text-muted);
    font-size: 14px;
    word-break: break-all;
    margin-bottom: 8px;
}

.link-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0px;
    background-color: #e0e7ff;
    color: #3730a3;
    padding: 2px 4px 2px 14px;
    border-radius: 16px;
    font-size: 14px;
    min-height: 28px;
    transition: background-color 0.3s, color 0.3s;
}

[data-theme="dark"] .tag {
    background-color: rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
}

.tag-readonly {
    padding: 2px 12px 2px 14px;
}

.tag-score {
    background-color: #d1d5db;
    color: #374151;
    padding: 2px 14px 2px 14px;
}

[data-theme="dark"] .tag-score {
    background-color: rgba(107, 114, 128, 0.3);
    color: #9ca3af;
}

.tag-remove {
    background: none;
    border: none;
    cursor: pointer;
    margin-left: 6px;
    padding: 0;
    font-size: 16px;
    min-height: 28px;
    min-width: 28px;
    color: #3730a3;
}

[data-theme="dark"] .tag-remove {
    color: #a5b4fc;
}

.tag-suggestion {
    padding: 12px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    color: var(--text-color);
}

.tag-suggestion:hover {
    background-color: var(--hover-bg);
}

[data-theme="dark"] .tag-suggestion {
    border-bottom: 1px solid #374151;
}

.edit-link-btn {
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.edit-link-btn:hover {
    background-color: #2563eb;
}

[data-theme="dark"] .edit-link-btn {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--text-color);
}

[data-theme="dark"] .edit-link-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.link-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    transition: background-color 0.3s, color 0.3s;
}

.status-pending {
    background-color: #dbeafe;
    color: #1e40af;
}

[data-theme="dark"] .status-pending {
    background-color: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

.status-processing {
    background-color: #fef3c7;
    color: #92400e;
}

[data-theme="dark"] .status-processing {
    background-color: rgba(251, 191, 36, 0.3);
    color: #fde047;
}

.status-completed {
    background-color: #dcfce7;
    color: #166534;
}

[data-theme="dark"] .status-completed {
    background-color: rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.status-failed {
    background-color: #fee2e2;
    color: #991b1b;
}

[data-theme="dark"] .status-failed {
    background-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.status-needs_title {
    background-color: #fef3c7;
    color: #92400e;
}

[data-theme="dark"] .status-needs_title {
    background-color: rgba(251, 191, 36, 0.3);
    color: #fde047;
}

/* Tag Manager */
.tag-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tag-item {
    display: flex;
    align-items: center;
    gap: 0px;
    background-color: #e0e7ff;
    color: #3730a3;
    padding: 2px 4px 2px 14px;
    border-radius: 16px;
    font-size: 14px;
    min-height: 28px; /* Touch target */
    transition: background-color 0.3s, color 0.3s;
}

[data-theme="dark"] .tag-item {
    background-color: rgba(99, 102, 241, 0.3);
    color: #a5b4fc;
}

.tag-item button {
    background: none;
    border: none;
    color: #3730a3;
    font-size: 16px;
    cursor: pointer;
    padding: 0;
    min-height: 28px;
    min-width: 28px;
}

[data-theme="dark"] .tag-item button {
    color: #a5b4fc;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

/* Datalist Container */
.autocomplete-wrapper {
    position: relative;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

.mb-1 {
    margin-bottom: 8px;
}

.mb-2 {
    margin-bottom: 16px;
}

/* Desktop Tweaks */
@media (min-width: 768px) {
    .container {
        padding: 24px;
    }
    
    header {
        padding: 12px 24px;
    }
    
    .btn {
        width: auto;
        min-width: 120px;
    }
}