/* =========================================
   Git Commit Message Lint — Styles
   Theme: Git-styled dark
   Primary: #F97316, Background: #1C1917
   ========================================= */

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #F97316;
    --primary-light: #FB923C;
    --primary-dark: #EA580C;
    --primary-glow: rgba(249, 115, 22, 0.15);
    --primary-glow-strong: rgba(249, 115, 22, 0.3);

    --bg-base: #1C1917;
    --bg-surface: #292524;
    --bg-elevated: #322E2B;
    --bg-hover: #3B3633;
    --bg-input: #1A1714;

    --text-primary: #FAFAF9;
    --text-secondary: #A8A29E;
    --text-muted: #78716C;
    --text-inverse: #1C1917;

    --border: #3B3633;
    --border-focus: #F97316;

    --success: #22C55E;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #FBBF24;
    --warning-bg: rgba(251, 191, 36, 0.1);
    --error: #EF4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --info: #60A5FA;
    --info-bg: rgba(96, 165, 250, 0.1);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(249, 115, 22, 0.15);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- App Container --- */
.app-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

/* --- Header --- */
.app-header {
    padding: 24px 0 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-md);
    display: grid;
    place-items: center;
    color: #fff;
    box-shadow: var(--shadow-glow);
    flex-shrink: 0;
}

.logo-group h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-sm {
    font-size: 0.8rem;
    padding: 6px 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(249, 115, 22, 0.25);
}

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

.btn-accent {
    background: var(--primary);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
}

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

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

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

.btn-lint {
    width: 100%;
    justify-content: center;
    margin-top: 12px;
}

/* --- Presets Bar --- */
.presets-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.preset-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preset-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    padding: 6px 12px;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.preset-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.char-limit-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.char-limit-input {
    width: 56px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 4px 8px;
    text-align: center;
}

.char-limit-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* --- Custom Config --- */
.custom-config {
    padding: 16px;
    background: var(--bg-surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: slideDown var(--transition-base);
}

.config-group {
    flex: 1;
    min-width: 220px;
}

.config-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.config-group .hint {
    font-weight: 400;
    color: var(--text-muted);
}

.config-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 8px 12px;
}

.config-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

/* --- Input Section --- */
.input-section {
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 12px;
}

.section-header h2,
.section-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.input-actions {
    display: flex;
    gap: 4px;
}

.textarea-wrapper {
    position: relative;
}

.commit-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.65;
    padding: 16px;
    resize: vertical;
    min-height: 180px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.commit-textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.commit-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow), var(--shadow-glow);
}

.textarea-footer {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    padding-top: 6px;
}

.char-count,
.line-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* --- Results --- */
.results-section {
    animation: fadeInUp var(--transition-base);
}

.result-badge {
    font-size: 0.78rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.result-badge.pass {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.result-badge.warn {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.result-badge.fail {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

/* Parsed Structure */
.parsed-structure {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 16px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.8;
}

.parsed-field {
    display: flex;
    gap: 10px;
    align-items: baseline;
}

.parsed-label {
    color: var(--text-muted);
    min-width: 80px;
    flex-shrink: 0;
    text-transform: uppercase;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.parsed-value {
    color: var(--text-primary);
    word-break: break-word;
}

.parsed-value.type-tag {
    color: var(--primary);
    font-weight: 600;
}

.parsed-value.scope-tag {
    color: var(--info);
}

.parsed-value.breaking-tag {
    color: var(--error);
    font-weight: 600;
}

.parsed-value.empty {
    color: var(--text-muted);
    font-style: italic;
}

/* Issues List */
.issues-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.issue-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    line-height: 1.5;
    animation: fadeInUp var(--transition-fast);
}

.issue-item.error {
    background: var(--error-bg);
    border-left: 3px solid var(--error);
    color: var(--text-primary);
}

.issue-item.warning {
    background: var(--warning-bg);
    border-left: 3px solid var(--warning);
    color: var(--text-primary);
}

.issue-item.info {
    background: var(--info-bg);
    border-left: 3px solid var(--info);
    color: var(--text-primary);
}

.issue-item.success {
    background: var(--success-bg);
    border-left: 3px solid var(--success);
    color: var(--text-primary);
}

.issue-icon {
    flex-shrink: 0;
    font-size: 1rem;
    line-height: 1.4;
}

.issue-text {
    flex: 1;
}

.issue-suggestion {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Autofix */
.autofix-section {
    animation: fadeInUp var(--transition-base);
}

.fixed-message-pre {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--success);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

/* --- History Panel --- */
.history-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 340px;
    max-width: 90vw;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.4);
    animation: slideInRight var(--transition-base);
    overflow-y: auto;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.history-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    padding: 10px 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.history-item:hover {
    border-color: var(--primary);
    background: var(--bg-hover);
}

.history-item-header {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.history-item-meta {
    display: flex;
    gap: 8px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.history-status {
    font-weight: 600;
}

.history-status.pass {
    color: var(--success);
}

.history-status.warn {
    color: var(--warning);
}

.history-status.fail {
    color: var(--error);
}

.empty-state {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
    padding: 24px 0;
}

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px 20px;
    font-size: 0.85rem;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    opacity: 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
    pointer-events: none;
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* --- Utilities --- */
.hidden {
    display: none !important;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }

    to {
        transform: translateX(0);
    }
}

/* --- Batch Mode --- */
.batch-separator {
    border-top: 1px dashed var(--border);
    margin: 16px 0;
    position: relative;
}

.batch-separator::after {
    content: attr(data-index);
    position: absolute;
    top: -10px;
    left: 16px;
    background: var(--bg-base);
    padding: 0 8px;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .app-container {
        padding: 0 14px 40px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .presets-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .char-limit-group {
        width: 100%;
        justify-content: space-between;
    }

    .history-panel {
        width: 100%;
    }

    .btn-lint {
        padding: 14px 24px;
    }

    .parsed-field {
        flex-direction: column;
        gap: 2px;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}