/* API Changelog Generator — Rose Gold Dark Theme */
:root {
    --primary: #EC4899;
    --primary-hover: #F472B6;
    --primary-glow: rgba(236, 72, 153, 0.2);
    --secondary: #F9A8D4;
    --accent: #F59E0B;
    --accent-glow: rgba(245, 158, 11, 0.15);
    --bg: #1A0A14;
    --bg-card: rgba(26, 10, 20, 0.8);
    --bg-elevated: #1F0E19;
    --bg-input: #150812;
    --border: rgba(236, 72, 153, 0.12);
    --border-hover: rgba(236, 72, 153, 0.3);
    --text: #F1E4EC;
    --text-muted: #B88DA0;
    --text-dim: #7A5A6A;
    --success: #34D399;
    --error: #F87171;
    --warning: #FBBF24;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --font: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    --transition: 200ms ease;
}

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

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    position: relative
}

::-webkit-scrollbar {
    width: 6px
}

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

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

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border)
}

.header-left {
    display: flex;
    align-items: center;
    gap: .75rem
}

.logo {
    font-size: 1.6rem
}

.app-header h1 {
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.header-right {
    display: flex;
    gap: .5rem
}

.btn-icon {
    font-size: 1.1rem;
    padding: .5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text)
}

.btn-icon:hover {
    background: var(--bg-elevated);
    border-color: var(--border-hover)
}

.btn-icon:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px
}

/* Main */
.app-main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem
}

/* Glass */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition)
}

.glass:hover {
    border-color: var(--border-hover)
}

/* Spec Inputs */
.spec-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem
}

@media(max-width:700px) {
    .spec-inputs {
        grid-template-columns: 1fr
    }
}

.spec-panel {
    padding: 1rem
}

.spec-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .75rem
}

.spec-header h2 {
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em
}

.spec-actions {
    display: flex;
    gap: .4rem
}

.btn-small {
    font-family: var(--font);
    font-size: .7rem;
    font-weight: 600;
    padding: .3rem .6rem;
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition)
}

.btn-small:hover {
    color: var(--text);
    background: var(--bg-elevated);
    border-color: var(--border-hover)
}

.upload-label {
    display: inline-flex;
    align-items: center;
    cursor: pointer
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0
}

textarea {
    width: 100%;
    font-family: var(--font-mono);
    font-size: .8rem;
    line-height: 1.6;
    padding: .75rem;
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    outline: none;
    resize: vertical;
    transition: border-color var(--transition)
}

textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow)
}

textarea::placeholder {
    color: var(--text-dim)
}

/* Generate Button */
.btn-generate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    width: 100%;
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 700;
    padding: .8rem 1.5rem;
    background: linear-gradient(135deg, var(--primary), #BE185D);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 20px var(--primary-glow);
    margin-bottom: 2rem
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px var(--primary-glow)
}

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

.btn-generate:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px
}

/* Results */
.results-section {
    margin-top: 1rem
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-dim)
}

.empty-icon {
    font-size: 2.5rem;
    margin-bottom: .75rem
}

.hidden {
    display: none !important
}

/* Version Badge */
.version-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem 1rem;
    background: rgba(236, 72, 153, .1);
    border: 1px solid rgba(236, 72, 153, .25);
    border-radius: var(--radius-sm);
    font-size: .85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.25rem;
    animation: fadeIn .3s ease
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px)
    }

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

/* Summary Stats */
.summary-stats {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem
}

.stat-card {
    flex: 1;
    min-width: 100px;
    text-align: center;
    padding: .75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    animation: fadeIn .3s ease
}

.stat-number {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: .2rem
}

.stat-label {
    font-size: .68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-dim)
}

.stat-added .stat-number {
    color: var(--success)
}

.stat-removed .stat-number {
    color: var(--error)
}

.stat-changed .stat-number {
    color: var(--accent)
}

.stat-breaking .stat-number {
    color: var(--error)
}

/* Changelog Body */
.changelog-body {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: .8rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 500px;
    overflow-y: auto;
    animation: fadeIn .3s ease
}

.change-group {
    margin-bottom: 1.25rem
}

.change-group-title {
    font-family: var(--font);
    font-size: .9rem;
    font-weight: 700;
    margin-bottom: .5rem;
    padding-bottom: .35rem;
    border-bottom: 1px solid var(--border)
}

.change-group-title.added {
    color: var(--success)
}

.change-group-title.removed {
    color: var(--error)
}

.change-group-title.changed {
    color: var(--accent)
}

.change-group-title.breaking {
    color: var(--error)
}

.change-item {
    padding: .35rem 0;
    padding-left: 1rem;
    border-left: 2px solid var(--border);
    margin-bottom: .35rem;
    font-size: .8rem;
    animation: fadeIn .2s ease
}

.change-item.added {
    border-left-color: var(--success)
}

.change-item.removed {
    border-left-color: var(--error)
}

.change-item.changed {
    border-left-color: var(--accent)
}

.change-item .method-badge {
    display: inline-block;
    font-size: .65rem;
    font-weight: 700;
    padding: .1rem .35rem;
    border-radius: 3px;
    margin-right: .4rem;
    text-transform: uppercase
}

.method-get {
    background: rgba(52, 211, 153, .15);
    color: var(--success)
}

.method-post {
    background: rgba(96, 165, 250, .15);
    color: #60A5FA
}

.method-put {
    background: rgba(245, 158, 11, .15);
    color: var(--accent)
}

.method-patch {
    background: rgba(167, 139, 250, .15);
    color: #A78BFA
}

.method-delete {
    background: rgba(248, 113, 113, .15);
    color: var(--error)
}

.breaking-flag {
    display: inline-block;
    font-size: .6rem;
    font-weight: 700;
    padding: .1rem .3rem;
    border-radius: 3px;
    background: rgba(248, 113, 113, .15);
    color: var(--error);
    margin-left: .3rem
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: .6rem 1.2rem;
    background: var(--primary);
    color: #fff;
    font-size: .82rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transform: translateY(80px);
    opacity: 0;
    transition: all .3s ease;
    z-index: 100;
    pointer-events: none
}

.toast.show {
    transform: translateY(0);
    opacity: 1
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-dim);
    font-size: .72rem;
    border-top: 1px solid var(--border)
}

/* Responsive */
@media(max-width:600px) {
    .app-header {
        flex-wrap: wrap;
        gap: .5rem;
        padding: 1rem
    }

    .app-main {
        padding: 1rem
    }
}