/* ═══════════════════════════════════════════════════════════════
   ValidApp - style.css
   Diseño minimalista, moderno y profesional
   ═══════════════════════════════════════════════════════════════ */

/* ─── Variables y tokens de diseño ─── */
:root {
    /* Paleta principal */
    --color-bg:           #0f0f13;
    --color-surface:      #1a1a24;
    --color-surface-2:    #22222f;
    --color-surface-3:    #2a2a3a;
    --color-border:       rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Acentos */
    --color-primary:      #6c63ff;
    --color-primary-dark: #5549e8;
    --color-primary-glow: rgba(108, 99, 255, 0.25);
    --color-success:      #22c55e;
    --color-success-bg:   rgba(34, 197, 94, 0.12);
    --color-success-glow: rgba(34, 197, 94, 0.2);
    --color-danger:       #ef4444;
    --color-danger-bg:    rgba(239, 68, 68, 0.1);

    /* Tipografia */
    --color-text:         #f0f0f5;
    --color-text-muted:   #8b8ba0;
    --color-text-subtle:  #5a5a70;

    /* Espaciado */
    --radius-sm:  8px;
    --radius-md:  14px;
    --radius-lg:  20px;
    --radius-xl:  28px;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-card: 0 24px 64px rgba(0, 0, 0, 0.6), 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-modal: 0 32px 80px rgba(0, 0, 0, 0.8);
    --shadow-btn:  0 4px 16px rgba(108, 99, 255, 0.4);

    /* Transiciones */
    --transition-fast:   150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow:   400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Ancho maximo del post */
    --post-max-width: 520px;
}

/* ─── Reset y base ─── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    display: block;
    max-width: 100%;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

/* ─── Fondo con efecto sutil ─── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 0%, rgba(108, 99, 255, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(34, 197, 94, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* ─── Contenedor principal ─── */
.app-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 32px 16px 64px;
}

/* ─── Tarjeta del post ─── */
.post-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    width: 100%;
    max-width: var(--post-max-width);
    overflow: hidden;
    animation: cardEntrance 0.5s cubic-bezier(0.34, 1.2, 0.64, 1) both;
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ─── Header del post ─── */
.post-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.post-header-inner {
    display: flex;
    align-items: center;
    gap: 12px;
}

.client-logo-wrap {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    overflow: hidden;
    background: var(--color-surface-3);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.client-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.client-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.2;
}

.post-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ─── Zona multimedia ─── */
.post-media-zone {
    background: var(--color-bg);
    position: relative;
    line-height: 0;
}

.single-media .media-item,
.carousel-slide .media-item {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

video.media-item {
    background: #000;
}

/* Sin media */
.no-media {
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--color-text-subtle);
}

.no-media svg {
    width: 48px;
    height: 48px;
}

.no-media p {
    font-size: 14px;
}

/* ─── Carrusel ─── */
.carousel {
    position: relative;
    overflow: hidden;
    line-height: 0;
}

.carousel-track {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.carousel-slide {
    flex: 0 0 100%;
    min-width: 100%;
}

/* Flechas */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    z-index: 10;
    transition: background var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
    opacity: 0.75;
}

.carousel-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.carousel-btn-prev { left: 12px; }
.carousel-btn-next { right: 12px; }

.carousel-btn:hover {
    background: rgba(0, 0, 0, 0.75);
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
}

.carousel-btn:disabled {
    opacity: 0.2;
    pointer-events: none;
}

/* Indicadores */
.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.4);
    border: none;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.carousel-dot.active {
    background: #fff;
    width: 22px;
}

/* ─── Barra de acciones ─── */
.post-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid transparent;
    transition: all var(--transition-normal);
    letter-spacing: 0.2px;
}

.action-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: currentColor;
}

.action-btn:hover {
    color: var(--color-text);
    background: var(--color-surface-2);
    border-color: var(--color-border);
    transform: translateY(-1px);
}

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

/* Boton comentar */
.action-btn-comment:hover {
    color: var(--color-primary);
    background: var(--color-primary-glow);
    border-color: rgba(108, 99, 255, 0.3);
}

/* Boton aprobar */
.action-btn-approve:hover {
    color: var(--color-success);
    background: var(--color-success-bg);
    border-color: rgba(34, 197, 94, 0.3);
}

.action-btn-approve.approved {
    color: var(--color-success);
    background: var(--color-success-bg);
    border-color: rgba(34, 197, 94, 0.3);
}

.action-btn-approve.approved svg {
    animation: checkBounce 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes checkBounce {
    from { transform: scale(0.6); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

/* Boton interacciones */
.action-btn-interactions {
    margin-left: auto;
}

.interactions-count {
    background: var(--color-surface-3);
    color: var(--color-text);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    min-width: 22px;
    text-align: center;
    transition: all var(--transition-normal);
}

.action-btn-interactions:hover .interactions-count {
    background: var(--color-primary);
    color: #fff;
}

/* ─── Cuerpo del post ─── */
.post-body {
    padding: 16px 20px 20px;
}

.post-author {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.post-copy {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-word;
}

.post-copy-empty {
    color: var(--color-text-subtle);
    font-style: italic;
}

/* ─── Estado de aprobacion ─── */
.approval-status {
    margin: 0 16px 16px;
    padding: 14px 16px;
    background: var(--color-success-bg);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: var(--radius-md);
    transition: all 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
}

.approval-status-hidden {
    display: none;
}

.approval-status.show {
    display: block;
    animation: approvalAppear 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
}

@keyframes approvalAppear {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.approval-status-inner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.approval-status-inner svg {
    width: 20px;
    height: 20px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 1px;
}

.approval-status-label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-success);
    margin-bottom: 2px;
}

.approval-status-detail {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ─── Pagina de error ─── */
.error-page {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 32px 24px;
}

.error-container {
    text-align: center;
    max-width: 400px;
    animation: cardEntrance 0.5s ease both;
}

.error-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    color: var(--color-text-muted);
}

.error-icon svg {
    width: 100%;
    height: 100%;
}

.error-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.error-message {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ─── Modales ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

@media (min-width: 600px) {
    .modal-overlay {
        align-items: center;
        padding: 24px;
    }
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    box-shadow: var(--shadow-modal);
    width: 100%;
    max-width: 480px;
    padding: 28px 24px 32px;
    position: relative;
    transform: translateY(40px);
    transition: transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
    max-height: 90vh;
    overflow-y: auto;
}

@media (min-width: 600px) {
    .modal {
        border-radius: var(--radius-xl);
        transform: translateY(24px) scale(0.97);
    }
}

.modal-overlay.open .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-surface-3);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.modal-close svg {
    width: 16px;
    height: 16px;
}

.modal-close:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
    transform: scale(1.05);
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
    padding-right: 40px;
}

.modal-subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

/* Interacciones: modal mas alto */
.modal-interactions {
    max-height: 80vh;
}

/* ─── Formularios ─── */
.form-group {
    margin-bottom: 18px;
    margin-top: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 7px;
    letter-spacing: 0.3px;
}

.form-input,
.form-textarea {
    width: 100%;
    background: var(--color-surface-2);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: inherit;
    font-size: 15px;
    padding: 11px 14px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    -webkit-appearance: none;
}

.form-textarea {
    resize: vertical;
    min-height: 110px;
    line-height: 1.5;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-subtle);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    background: var(--color-surface-3);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input.error,
.form-textarea.error {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}

.form-error {
    display: block;
    font-size: 12px;
    color: var(--color-danger);
    margin-top: 5px;
    min-height: 16px;
    transition: opacity var(--transition-fast);
}

.form-char-count {
    display: block;
    font-size: 11px;
    color: var(--color-text-subtle);
    text-align: right;
    margin-top: 4px;
}

.form-char-count.warning {
    color: #f59e0b;
}

/* ─── Botones ─── */
.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: all var(--transition-normal);
    border: 1.5px solid transparent;
    min-width: 100px;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.5);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    pointer-events: none;
    box-shadow: none;
}

.btn-approve {
    background: var(--color-success);
    box-shadow: 0 4px 16px var(--color-success-glow);
}

.btn-approve:hover {
    background: #16a34a;
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.btn-secondary {
    background: var(--color-surface-2);
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-surface-3);
    color: var(--color-text);
    border-color: var(--color-border-hover);
}

.btn-loading { display: none; }

.btn.loading .btn-text    { display: none; }
.btn.loading .btn-loading { display: inline; }

/* ─── Lista de interacciones ─── */
.interactions-loading {
    text-align: center;
    padding: 32px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.interactions-empty {
    text-align: center;
    padding: 40px 24px;
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.interactions-empty svg {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    color: var(--color-text-subtle);
}

.interaction-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
    animation: itemFadeIn 0.3s ease;
}

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

.interaction-item:last-child {
    border-bottom: none;
}

.interaction-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 5px;
}

.interaction-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.interaction-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: var(--radius-full);
}

.interaction-badge-comment {
    background: var(--color-primary-glow);
    color: var(--color-primary);
}

.interaction-badge-approval {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.interaction-date {
    font-size: 11px;
    color: var(--color-text-subtle);
    margin-bottom: 6px;
}

.interaction-comment-text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.55;
    word-break: break-word;
}

.interaction-approval-text {
    font-size: 13px;
    color: var(--color-success);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.interaction-approval-text svg {
    width: 14px;
    height: 14px;
}

/* ─── Toast de notificacion ─── */
.toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    padding: 13px 22px;
    border-radius: var(--radius-full);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
    white-space: nowrap;
    max-width: calc(100vw - 48px);
}

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

.toast.toast-success {
    background: var(--color-success-bg);
    border-color: rgba(34, 197, 94, 0.3);
    color: var(--color-success);
}

.toast.toast-error {
    background: var(--color-danger-bg);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--color-danger);
}

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

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-hover);
}

/* ─── Responsive ─── */
@media (max-width: 599px) {
    .app-wrapper {
        padding: 0;
        align-items: flex-start;
    }

    .post-card {
        border-radius: 0;
        border-left: none;
        border-right: none;
        box-shadow: none;
        min-height: 100vh;
        border-bottom: none;
    }

    .post-actions {
        padding: 10px 12px;
    }

    .action-btn {
        padding: 8px 12px;
        font-size: 12px;
    }

    .modal-title {
        font-size: 16px;
    }

    .btn {
        padding: 10px 18px;
        font-size: 13px;
    }
}

@media (min-width: 600px) and (max-width: 900px) {
    .app-wrapper {
        padding: 24px 24px 48px;
    }
}

/* ─── Accesibilidad ─── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

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