/* ============================================================
   El Rey del Prompt — styles.css
   Paleta: Dark Cyan #119DA4 · Cerulean #0C7489 · Dark Teal #13505B
           Black #040404 · Dust Grey #D7D9CE
   ============================================================ */

/* --- Variables --- */
:root {
    /* Paleta principal */
    --color-cyan:        #119DA4;
    --color-cerulean:    #0C7489;
    --color-teal:        #13505B;
    --color-black:       #040404;
    --color-dust:        #D7D9CE;

    /* Roles semánticos */
    --color-bg:            #f4f5f3;          /* fondo general: gris polvo muy claro */
    --color-surface:       #ffffff;
    --color-surface-2:     #eef0ee;          /* superficie secundaria con toque dust */
    --color-border:        #C8CAC4;          /* dust grey oscurecido */
    --color-border-soft:   #dddfd9;

    --color-text:          #040404;          /* black de la paleta */
    --color-text-secondary:#3a4a4c;          /* teal oscuro suavizado */
    --color-text-muted:    #7a8c8e;          /* intermedio teal-gris */

    --color-accent:        #119DA4;          /* dark cyan — acento principal */
    --color-accent-dark:   #0C7489;          /* cerulean — hover */
    --color-accent-deep:   #13505B;          /* dark teal — estados activos profundos */
    --color-accent-light:  #e6f5f6;          /* cyan muy desaturado */
    --color-accent-mid:    #6dcdd2;          /* cyan claro para detalles */

    --color-green:         #0C7489;          /* reutilizamos cerulean para estados "ok" */
    --color-green-bg:      #e0f2f4;

    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body:    'DM Sans', system-ui, sans-serif;
    --font-mono:    'DM Mono', 'Courier New', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(4,4,4,0.06), 0 1px 2px rgba(4,4,4,0.04);
    --shadow-md: 0 4px 12px rgba(4,4,4,0.08), 0 2px 4px rgba(4,4,4,0.04);
    --shadow-lg: 0 12px 40px rgba(4,4,4,0.10), 0 4px 12px rgba(4,4,4,0.06);

    --header-h: 60px;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* --- Fondo decorativo --- */
.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border-soft) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.45;
    pointer-events: none;
    z-index: 0;
}

.bg-accent-blob {
    position: fixed;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(17, 157, 164, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* --- Header --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(244, 245, 243, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-h);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-icon {
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.badge-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--color-cerulean);
    background: var(--color-green-bg);
    border: 1px solid rgba(12, 116, 137, 0.25);
    padding: 4px 10px;
    border-radius: 20px;
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-cerulean);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* --- Selector de API --- */
.api-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.api-selector-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.api-tabs {
    display: flex;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 3px;
    gap: 2px;
}

.api-tab {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 7px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.api-tab:hover {
    background: rgba(17, 157, 164, 0.07);
    color: var(--color-accent);
}

.api-tab.active {
    background: var(--color-surface);
    color: var(--color-accent);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

.api-badge {
    background: var(--color-accent-light);
    border: 1px solid rgba(17, 157, 164, 0.2);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.api-badge span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-accent-deep);
    font-weight: 500;
}

/* --- Main Layout --- */
.main-layout {
    flex: 1;
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 0;
    position: relative;
    z-index: 1;
    min-height: calc(100vh - var(--header-h));
}

/* --- Panel Izquierdo --- */
.panel-left {
    flex: 1;
    padding: 48px 48px 40px;
    display: flex;
    flex-direction: column;
    gap: 36px;
    min-width: 0;
}

/* --- Hero --- */
.hero-tag {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent-deep);
    background: var(--color-accent-light);
    border: 1px solid rgba(17, 157, 164, 0.2);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    line-height: 1.05;
    color: var(--color-text);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-title em {
    color: var(--color-accent);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    max-width: 420px;
    font-weight: 300;
}

/* --- Input Area --- */
.input-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.label-number {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-accent);
    background: var(--color-accent-light);
    width: 22px;
    height: 22px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.textarea-wrapper {
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.textarea-wrapper:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(17, 157, 164, 0.1), var(--shadow-sm);
}

textarea {
    width: 100%;
    padding: 18px 20px;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--color-text);
}

textarea::placeholder {
    color: var(--color-text-muted);
    font-weight: 300;
}

.textarea-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--color-border-soft);
    background: var(--color-surface-2);
}

.char-count {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

/* --- Forge Button --- */
.forge-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 10px 20px;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: -0.01em;
}

.forge-button:hover:not(:disabled) {
    background: var(--color-accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(17, 157, 164, 0.35);
}

.forge-button:active:not(:disabled) {
    transform: translateY(0);
    background: var(--color-accent-deep);
}

.forge-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.forge-arrow {
    flex-shrink: 0;
    transition: transform 0.18s;
}

.forge-button:hover:not(:disabled) .forge-arrow {
    transform: translateX(2px);
}

.forge-button-spinner {
    display: flex;
    align-items: center;
    gap: 6px;
}

.forge-button-spinner svg {
    animation: spin 0.8s linear infinite;
}

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

.hidden { display: none !important; }

/* --- Examples --- */
.examples-strip {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    flex-wrap: wrap;
}

.examples-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 500;
    padding-top: 6px;
    flex-shrink: 0;
}

.example-chip {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 5px 12px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 400;
}

.example-chip:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
    transform: translateY(-1px);
}

/* --- Divider --- */
.panel-divider {
    width: 1px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 0;
    gap: 12px;
    flex-shrink: 0;
}

.divider-line {
    flex: 1;
    width: 1px;
    background: var(--color-border);
}

.divider-icon {
    width: 30px;
    height: 30px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* --- Panel Derecho --- */
.panel-right {
    flex: 1;
    padding: 48px 48px 40px;
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 0;
}

/* --- Output Header --- */
.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.output-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.output-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.output-status {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

.copy-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 6px 14px;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.copy-button:hover:not(:disabled) {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.copy-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.copy-button.copied {
    border-color: var(--color-cerulean);
    color: var(--color-cerulean);
    background: var(--color-green-bg);
}

/* --- Output Body --- */
.output-body {
    flex: 1;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
}

/* --- Placeholder --- */
.output-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    gap: 12px;
    flex: 1;
    text-align: center;
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    background: var(--color-accent-light);
    border: 1px solid rgba(17, 157, 164, 0.15);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.output-placeholder p {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    letter-spacing: -0.02em;
}

.output-placeholder span {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.output-placeholder strong {
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* --- Prompt Content --- */
.prompt-content {
    padding: 28px 32px;
    overflow-y: auto;
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-text);
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Markdown dentro del output --- */
.prompt-content h2,
.prompt-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: normal;
    color: var(--color-teal);
    margin: 22px 0 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border-soft);
    letter-spacing: -0.02em;
}

.prompt-content h2:first-child,
.prompt-content h3:first-child { margin-top: 0; }

.prompt-content p {
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}

.prompt-content strong {
    font-weight: 600;
    color: var(--color-text);
}

.prompt-content ol, .prompt-content ul {
    margin: 8px 0 14px 20px;
}

.prompt-content li {
    margin-bottom: 6px;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.prompt-content code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: var(--color-accent-light);
    border: 1px solid rgba(17, 157, 164, 0.15);
    border-radius: 4px;
    padding: 1px 5px;
    color: var(--color-accent-deep);
}

.prompt-content pre {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    overflow-x: auto;
    margin: 12px 0;
}

.prompt-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--color-text);
}

.prompt-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding: 8px 16px;
    background: var(--color-accent-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 12px 0;
    color: var(--color-text-secondary);
}

/* Estado de carga */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 12px;
    padding: 60px 40px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.loading-state svg {
    animation: spin 0.8s linear infinite;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* Skeleton shimmer */
.skeleton-lines {
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skeleton-line {
    height: 14px;
    background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-dust) 50%, var(--color-surface-2) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
    border-radius: 4px;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Output Footer --- */
.output-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 14px;
}

.powered-by {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.powered-by a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.powered-by a:hover {
    color: var(--color-accent-dark);
    text-decoration: underline;
}

.sections-count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .main-layout { flex-direction: column; }

    .panel-divider {
        flex-direction: row;
        width: 100%;
        height: 1px;
        padding: 0 24px;
    }

    .divider-line {
        flex: 1;
        width: auto;
        height: 1px;
    }

    .panel-left,
    .panel-right { padding: 32px 24px; }

    .hero-title { font-size: 2.4rem; }

    .api-selector-label { display: none; }
}

@media (max-width: 600px) {
    .header-inner  { padding: 0 16px; gap: 12px; }
    .header-center { display: none; }
    .api-badge     { display: none; }
    .panel-left, .panel-right { padding: 24px 16px; }
    .hero-title    { font-size: 2rem; }
    .api-tab       { padding: 5px 8px; font-size: 0.72rem; }
}