:root {
    --bg-gradient-start: #ffffff;
    --bg-gradient-mid: #f8f9fa;
    --bg-gradient-end: #ffffff;
    --surface-primary: rgba(255, 255, 255, 0.98);
    --surface-secondary: rgba(255, 255, 255, 0.95);
    --surface-glass: rgba(255, 255, 255, 0.9);
    --surface-card: #ffffff;
    --text-primary: #333333;
    --text-secondary: #555555;
    --accent-primary: #00d084;
    --accent-secondary: #00b371;
    --accent-highlight: #ccff00;
    --border-subtle: rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.1);
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --transition-base: 180ms ease-in-out;
    --transition-slow: 340ms ease;
    --max-content-width: 1040px;
    --app-padding-horizontal: clamp(24px, 3vw, 64px);
}

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

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: #ffffff;
    background-attachment: fixed;
    line-height: 1.6;
    box-sizing: border-box;
}

body {
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    width: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    box-sizing: border-box;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base), opacity var(--transition-base);
}

a:hover {
    opacity: 0.82;
}

.app-shell {
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    display: grid;
    grid-template-rows: 1fr auto;
    padding-top: calc(56px + 40px);
    padding-bottom: 40px;
    padding-left: var(--app-padding-horizontal);
    padding-right: var(--app-padding-horizontal);
    gap: 36px;
    box-sizing: border-box;
}

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px clamp(18px, 2vw, 36px);
    padding-left: calc(var(--app-padding-horizontal) + clamp(18px, 2vw, 36px));
    padding-right: calc(var(--app-padding-horizontal) + clamp(18px, 2vw, 36px));
    background: #ffffff;
    border-radius: 0;
    backdrop-filter: none;
    border: none;
    border-bottom: 2px solid var(--accent-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    width: 100%;
    box-sizing: border-box;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: grid;
    place-content: center;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.05em;
    color: white;
}

.brand h1 {
    margin: 0;
    font-size: clamp(1.2rem, 1.8vw, 1.6rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.2;
    color: var(--text-primary);
}

.brand small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 1px;
    line-height: 1.2;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(18px, 3vw, 42px);
}

.main-nav a {
    font-weight: 500;
    letter-spacing: 0.04em;
    position: relative;
    padding-bottom: 6px;
}

.main-nav a::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transform: translateY(6px);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    opacity: 1;
    transform: translateY(0);
}

.app-main {
    display: flex;
    justify-content: flex-start;
    width: 100%;
    flex: 1;
    align-items: stretch;
}

.content-surface {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding: clamp(28px, 4vw, 48px);
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-lg);
    backdrop-filter: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    flex: 1;
    box-sizing: border-box;
}

.hero {
    display: grid;
    gap: 20px;
    justify-items: center;
    text-align: center;
}

.hero-eyebrow {
    font-size: 0.82rem;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.78);
}

.hero h2 {
    margin: 0;
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 1.1;
    font-weight: 700;
}

.hero p {
    margin: 0 auto;
    max-width: 720px;
    color: rgba(226, 232, 240, 0.86);
    font-size: clamp(1.05rem, 1.6vw, 1.2rem);
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(18px, 2vw, 28px);
    justify-items: center;
}

.glass-card {
    background: var(--surface-glass);
    border-radius: var(--radius-md);
    padding: clamp(22px, 3vw, 28px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 14px;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
    width: 100%;
    max-width: 100%;
}

.glass-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.45);
}

.glass-card strong {
    font-size: 1.02rem;
    letter-spacing: 0.04em;
}

.cta-button {
    align-self: center;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 26px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 14px 30px rgba(99, 102, 241, 0.35);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 20px 42px rgba(99, 102, 241, 0.45);
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(14px, 2vw, 24px);
    justify-items: center;
}

.status-pill {
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    display: grid;
    gap: 6px;
    width: 100%;
    max-width: 100%;
}

.status-pill span {
    font-size: 0.86rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.status-pill strong {
    font-size: 1.4rem;
    letter-spacing: 0.05em;
}

.message-board {
    display: grid;
    gap: 24px;
    width: 100%;
    max-width: 100%;
}

.message-filters {
    display: grid;
    gap: 14px;
    padding: 22px clamp(18px, 3vw, 26px);
    background: var(--surface-glass);
    border-radius: var(--radius-md);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.message-filters h3 {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: 0.06em;
    text-align: center;
}

.filter-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    justify-content: center;
    margin-top: 6px;
    width: 100%;
}

.filter-actions .cta-button {
    color: #0f172a;
}

.filter-actions .cta-button[disabled] {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.ghost-button {
    padding: 12px 22px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.04em;
    transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
}

.ghost-button:hover {
    border-color: rgba(148, 163, 184, 0.6);
    background: rgba(15, 23, 42, 0.6);
    transform: translateY(-2px);
}

.ghost-button[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.filters-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
    max-width: 100%;
    width: 100%;
}

.field {
    display: grid;
    gap: 6px;
}

.field label {
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"] {
    width: 100%;
    padding: 14px 18px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input[type="text"]::placeholder,
input[type="number"]::placeholder {
    color: rgba(226, 232, 240, 0.45);
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.22);
}

.chat-select,
select {
    width: 100%;
    padding: 14px 18px;
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.chat-select:hover,
select:hover {
    border-color: rgba(148, 163, 184, 0.4);
}

.chat-select:focus,
select:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.22);
}

.chat-select option,
select option {
    background: rgba(15, 23, 42, 0.95);
    color: var(--text-primary);
    padding: 8px;
}

button,
.button {
    cursor: pointer;
    padding: 14px 24px;
    border-radius: 14px;
    border: none;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-highlight));
    color: #0f172a;
    transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.35);
}

button:hover,
.button:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
}

.message-list {
    display: grid;
    gap: 22px;
    width: 100%;
    max-width: 100%;
}

.message-card {
    background: rgba(8, 11, 19, 0.9);
    border-radius: var(--radius-md);
    padding: clamp(22px, 3vw, 28px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-soft);
    display: grid;
    gap: 14px;
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.message-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.message-card:hover::before {
    opacity: 1;
}

.message-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.message-meta strong {
    font-size: 1.05rem;
    letter-spacing: 0.06em;
}

.message-meta span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.message-body {
    position: relative;
    z-index: 1;
    font-size: 1rem;
    color: var(--text-primary);
}

/* Mensaje - Estructura base */
.message-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: clamp(22px, 3vw, 28px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-soft);
    display: block;
    position: relative;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.message-card.expanded {
    border-color: var(--accent-primary);
}

.message-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.message-card:hover::before {
    opacity: 1;
}

.message-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    padding: 4px 0;
    position: relative;
    z-index: 2;
    transition: opacity var(--transition-base);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.message-header:hover {
    opacity: 0.9;
}

.message-meta {
    flex: 1;
    display: grid;
    gap: 8px;
    min-width: 0;
    overflow: hidden;
}

.meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.meta-row-secondary {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.meta-row strong {
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    word-break: break-word;
    overflow-wrap: break-word;
}

.meta-row .sender {
    color: var(--text-secondary);
    font-size: 0.95rem;
    word-break: break-word;
    overflow-wrap: break-word;
}

.meta-row-secondary .message-id,
.meta-row-secondary .chat-id {
    font-family: 'Courier New', monospace;
    word-break: break-all;
    overflow-wrap: anywhere;
}

.message-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.expand-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: color var(--transition-base), background var(--transition-base);
    flex-shrink: 0;
}

.expand-button:hover {
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.message-content {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    display: block;
    position: relative;
    z-index: 1;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.message-preview {
    margin-top: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.message-preview .image-badge {
    background: rgba(99, 102, 241, 0.15);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.85rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.no-content {
    color: var(--text-secondary);
    font-style: italic;
}

.message-images h4 {
    margin: 0 0 12px 0;
    font-size: 1rem;
    letter-spacing: 0.04em;
    color: var(--text-primary);
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.image-item {
    display: grid;
    gap: 8px;
}

.image-item img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    padding: 4px;
}

.image-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 8px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
}

.image-info span {
    word-break: break-all;
}

/* Contenedor de imágenes y análisis */
.message-images-container {
    display: block;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.image-analysis-container {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    align-items: start;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    margin-bottom: 32px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 12px;
}

.image-analysis-container:last-child {
    margin-bottom: 0;
}

/* Contenedor de imagen */
.image-container {
    display: block;
    width: 120px;
    box-sizing: border-box;
    overflow: hidden;
    padding: 4px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 6px;
    flex-shrink: 0;
}

.message-image {
    display: block;
    width: 100%;
    height: auto;
    max-height: 120px;
    max-width: 120px;
    object-fit: cover;
    background: rgba(15, 23, 42, 0.6);
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    padding: 4px;
    box-sizing: border-box;
}

.image-metadata {
    display: block;
    margin-top: 4px;
    padding: 4px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    line-height: 1.3;
}

.image-metadata span {
    display: block;
    word-break: break-all;
    overflow-wrap: anywhere;
    margin-bottom: 4px;
}

.image-metadata span:last-child {
    margin-bottom: 0;
}

/* Contenedor de análisis */
.analysis-container {
    display: block;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    min-width: 0;
}

.ai-analysis-box {
    display: block;
    padding: 20px;
    background: rgba(0, 208, 132, 0.05);
    border: 2px dashed var(--accent-primary);
    border-radius: 8px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    min-height: 200px;
}

.ai-analysis-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0, 208, 132, 0.2);
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.ai-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.ai-title-text {
    color: var(--accent-primary);
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-date {
    font-size: 0.85rem;
    color: rgba(148, 163, 184, 0.8);
    margin-left: auto;
    flex-shrink: 0;
}

.ai-analysis-text {
    display: block;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.json-content {
    display: block;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.02);
    padding: 20px;
    border-radius: 6px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    margin: 0;
    max-height: 600px;
    overflow-y: auto;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

.ai-analysis-empty {
    display: block;
    padding: 12px;
    background: rgba(148, 163, 184, 0.1);
    border: 1px dashed rgba(148, 163, 184, 0.3);
    border-radius: 8px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(148, 163, 184, 0.7);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    word-break: break-word;
    overflow-wrap: break-word;
}

.message-footer {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(99, 102, 241, 0.15);
}

.message-details {
    display: grid;
    gap: 10px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.9rem;
}

.detail-item strong {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
}

.detail-item code {
    background: rgba(8, 11, 19, 0.8);
    padding: 6px 10px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    word-break: break-all;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.message-browser-header,
.message-browser-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 18px clamp(18px, 3vw, 26px);
    background: var(--surface-glass);
    border-radius: var(--radius-md);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-soft);
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.browser-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    width: 100%;
}

.browser-stats strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.browser-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.ghost-button.small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.page-info {
    padding: 8px 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-info {
    margin-top: 12px;
    padding: 10px 14px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.error-message {
    padding: 20px clamp(18px, 3vw, 26px);
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.4);
    border-radius: var(--radius-md);
    color: rgba(226, 232, 240, 0.9);
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.error-message p {
    margin: 0;
    font-size: 0.95rem;
}

.empty-state,
.loading-indicator {
    text-align: center;
    padding: 36px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px dashed rgba(148, 163, 184, 0.35);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    display: grid;
    gap: 16px;
}

.empty-state p {
    margin: 0;
}

.empty-state strong {
    color: var(--accent-primary);
}

.loading-indicator::after {
    content: "•••";
    display: block;
    letter-spacing: 0.5em;
    margin-top: 12px;
    animation: pulse 1.4s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.35;
    }
    50% {
        opacity: 1;
    }
}

.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: clamp(18px, 2vw, 28px);
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid rgba(99, 102, 241, 0.18);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-soft);
    font-size: 0.9rem;
    color: rgba(226, 232, 240, 0.65);
}

.app-footer strong {
    color: var(--text-primary);
    letter-spacing: 0.04em;
}

@media (max-width: 960px) {
    :root {
        --app-padding-horizontal: clamp(14px, 4vw, 28px);
    }
    
    .app-shell {
        padding-top: calc(70px + 32px);
        padding-bottom: 32px;
        gap: 28px;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 10px calc(var(--app-padding-horizontal) + 16px);
    }

    .main-nav {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 720px) {
    :root {
        --app-padding-horizontal: clamp(12px, 5vw, 20px);
    }
    
    .app-shell {
        padding-top: calc(70px + 24px);
        padding-bottom: 24px;
    }

    .app-header {
        padding: 10px calc(var(--app-padding-horizontal) + 12px);
    }

    .content-surface {
        padding: clamp(22px, 6vw, 32px);
    }

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

    .meta-row,
    .meta-row-secondary {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .message-browser-header,
    .message-browser-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .browser-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .browser-controls {
        width: 100%;
        justify-content: center;
    }

    .images-grid {
        grid-template-columns: 1fr;
    }

    .image-analysis-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .image-container {
        width: 100%;
        max-width: 100%;
    }


    .main-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

@media (max-width: 540px) {
    :root {
        --app-padding-horizontal: 18px;
    }
    
    .app-shell {
        padding-top: calc(65px + 18px);
        padding-bottom: 18px;
    }

    .app-header {
        padding: 8px calc(var(--app-padding-horizontal) + 16px);
    }

    .app-footer {
        padding: 16px;
    }

    .hero h2 {
        font-size: 1.9rem;
    }
}

/* Modal de imagen ampliada */
.image-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    box-sizing: border-box;
    cursor: pointer;
    will-change: opacity;
    animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    will-change: transform;
    animation: scaleIn 0.15s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, transform 0.15s ease;
    z-index: 10001;
    will-change: transform;
}

.image-modal-close:hover {
    background: #ffffff;
    transform: scale(1.1);
}

.image-modal-close:active {
    transform: scale(0.95);
}

.image-modal-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    will-change: transform;
}