/* ==========================================================================
   OpenAPI Visual Editor — Styles
   Theme: Dark mode, Indigo/Cyan, glassmorphism
   ========================================================================== */
:root {
    --color-primary: #6366F1;
    --color-primary-glow: rgba(99, 102, 241, 0.2);
    --color-accent: #22D3EE;
    --color-accent-glow: rgba(34, 211, 238, 0.15);
    --color-secondary: #94A3B8;
    --color-bg: #0F172A;
    --color-bg-card: rgba(30, 41, 59, 0.6);
    --color-bg-input: rgba(15, 23, 42, 0.8);
    --color-surface: rgba(51, 65, 85, 0.4);
    --color-border: rgba(148, 163, 184, 0.12);
    --color-text: #F1F5F9;
    --color-text-sec: #94A3B8;
    --color-text-muted: #64748B;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --color-get: #10B981;
    --color-post: #3B82F6;
    --color-put: #F59E0B;
    --color-patch: #8B5CF6;
    --color-delete: #EF4444;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-full: 9999px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    --transition: 250ms ease;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden
}

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: .3
}

.bg-glow--1 {
    width: 500px;
    height: 500px;
    background: var(--color-primary-glow);
    top: -120px;
    right: -60px;
    animation: f 14s ease-in-out infinite
}

.bg-glow--2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-glow);
    bottom: -80px;
    left: -60px;
    animation: f 18s ease-in-out infinite reverse
}

@keyframes f {

    0%,
    100% {
        transform: translate(0, 0)
    }

    50% {
        transform: translate(25px, -20px)
    }
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1
}

.hidden {
    display: none !important
}

/* Header */
.header {
    padding: 20px 0 8px
}

.header__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap
}

.header__brand {
    display: flex;
    align-items: center;
    gap: 10px
}

.header__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff
}

.header__title {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.header__actions {
    display: flex;
    gap: 8px
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-sans);
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    outline: none
}

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

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

.btn--primary:hover {
    background: #5558E6;
    transform: translateY(-1px)
}

.btn--accent {
    background: rgba(34, 211, 238, .12);
    color: var(--color-accent);
    border: 1px solid rgba(34, 211, 238, .25)
}

.btn--accent:hover {
    background: rgba(34, 211, 238, .2)
}

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

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

.btn--sm {
    padding: 6px 14px;
    font-size: .75rem
}

.btn--danger {
    background: rgba(239, 68, 68, .12);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, .2)
}

.btn--danger:hover {
    background: rgba(239, 68, 68, .2)
}

/* Sections */
.main {
    padding: 20px 0 40px
}

.section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px)
}

.section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px
}

.section__title {
    font-size: .95rem;
    font-weight: 700
}

/* Form */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.form-group--full {
    grid-column: 1/-1
}

.form-label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--color-text-sec)
}

.form-input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-input);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: .82rem;
    outline: none;
    transition: border-color var(--transition)
}

.form-input:focus {
    border-color: var(--color-primary)
}

.form-input--textarea {
    resize: vertical;
    min-height: 40px;
    font-family: var(--font-sans)
}

select.form-input {
    cursor: pointer
}

/* Items List */
.items-list {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.item-card {
    background: rgba(15, 23, 42, .5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    transition: border-color var(--transition)
}

.item-card:hover {
    border-color: rgba(148, 163, 184, .2)
}

.item-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 8px
}

.item-card__title {
    font-size: .85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px
}

.item-card__actions {
    display: flex;
    gap: 6px
}

/* Method Badge */
.method-badge {
    font-size: .65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: .05em
}

.method-badge--get {
    background: rgba(16, 185, 129, .12);
    color: var(--color-get)
}

.method-badge--post {
    background: rgba(59, 130, 246, .12);
    color: var(--color-post)
}

.method-badge--put {
    background: rgba(245, 158, 11, .12);
    color: var(--color-put)
}

.method-badge--patch {
    background: rgba(139, 92, 246, .12);
    color: var(--color-patch)
}

.method-badge--delete {
    background: rgba(239, 68, 68, .12);
    color: var(--color-delete)
}

/* Schema property rows */
.prop-row {
    display: grid;
    grid-template-columns: 1fr 100px 60px 32px;
    gap: 8px;
    align-items: center;
    margin-bottom: 6px
}

.prop-row .form-input {
    padding: 6px 8px;
    font-size: .78rem
}

/* Response row */
.response-row {
    display: grid;
    grid-template-columns: 80px 1fr 32px;
    gap: 8px;
    align-items: center;
    margin-bottom: 6px
}

/* Preview */
.preview-tabs {
    display: flex;
    gap: 4px
}

.preview-tab {
    padding: 4px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: .72rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    outline: none
}

.preview-tab.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary)
}

.code-preview {
    position: relative;
    background: #0D1117;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    max-height: 400px;
    overflow: auto
}

.code-preview__pre {
    padding: 16px;
    font-family: var(--font-mono);
    font-size: .75rem;
    line-height: 1.7;
    color: #C9D1D9;
    white-space: pre;
    margin: 0
}

.code-preview__copy {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    border: 1px solid rgba(148, 163, 184, .15);
    border-radius: var(--radius-sm);
    background: rgba(30, 41, 59, .8);
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: .68rem;
    cursor: pointer;
    transition: all var(--transition);
    outline: none;
    z-index: 2
}

.code-preview__copy:hover {
    background: var(--color-surface);
    color: var(--color-text)
}

/* Validation */
.validation-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: .82rem;
    animation: slideIn .3s ease
}

.validation-bar--success {
    background: rgba(16, 185, 129, .1);
    border: 1px solid rgba(16, 185, 129, .2);
    color: var(--color-success)
}

.validation-bar--error {
    background: rgba(239, 68, 68, .1);
    border: 1px solid rgba(239, 68, 68, .2);
    color: var(--color-danger)
}

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

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

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .6);
    backdrop-filter: blur(4px)
}

.modal__content {
    position: relative;
    background: #1E293B;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: auto
}

.modal__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 12px
}

.modal__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 12px
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 10px 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: .82rem;
    font-weight: 500;
    z-index: 1000;
    animation: ti .3s ease, to .3s ease 1.7s forwards
}

@keyframes ti {
    from {
        opacity: 0;
        transform: translateY(10px)
    }

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

@keyframes to {
    from {
        opacity: 1
    }

    to {
        opacity: 0;
        transform: translateY(10px)
    }
}

/* Footer */
.footer {
    text-align: center;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: .8rem
}

/* Responsive */
@media(max-width:768px) {
    .form-grid {
        grid-template-columns: 1fr
    }

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

    .header__actions {
        width: 100%;
        justify-content: flex-end
    }

    .prop-row {
        grid-template-columns: 1fr 80px 50px 32px
    }
}