/* --- VARIABLES DE TEMAS (Colores dinámicos) --- */
:root, [data-theme="classic"] {
    --bg-body: #f7fafc;
    --bg-container: #ffffff;
    --text-main: #1a202c;
    --text-muted: #718096;
    --border-color: #cbd5e0;
    --btn-main-bg: #2d3748;
    --btn-main-text: #ffffff;
    --input-bg: #ffffff;
    --badge-bg: #edf2f7;
    --badge-text: #2d3748;
    --modal-overlay: #2d3748;
    --color-scheme: light;
}

[data-theme="premium"] {
    --bg-body: #e2e8f0;
    --bg-container: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #cbd5e0;
    --btn-main-bg: #475569;
    --btn-main-text: #ffffff;
    --input-bg: #f8fafc;
    --badge-bg: #cbd5e0;
    --badge-text: #1e293b;
    --modal-overlay: #475569;
    --color-scheme: light;
}

[data-theme="black"] {
    --bg-body: #000000;
    --bg-container: #121212;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --border-color: #27272a;
    --btn-main-bg: #cca43b;
    --btn-main-text: #000000;
    --input-bg: #18181b;
    --badge-bg: #27272a;
    --badge-text: #cca43b;
    --modal-overlay: #000000;
    --color-scheme: dark;
}

[data-theme="black-light"] {
    --bg-body: #f4f4f5;
    --bg-container: #ffffff;
    --text-main: #18181b;
    --text-muted: #71717a;
    --border-color: #e4e4e7;
    --btn-main-bg: #cca43b;
    --btn-main-text: #000000;
    --input-bg: #ffffff;
    --badge-bg: #cca43b;
    --badge-text: #000000;
    --modal-overlay: #18181b;
    --color-scheme: light;
}

/* --- CONFIGURACIÓN BÁSICA --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    padding: 10px;
    display: flex;
    justify-content: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- CONTENEDOR PRINCIPAL --- */
.app-container {
    width: 100%;
    max-width: 500px;
    background: var(--bg-container);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease;
}
.app-header { text-align: center; margin-bottom: 20px; }

/* --- CABECERA Y BOTONES --- */
.header-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.header-top h1 { font-size: 1.4rem; color: var(--text-main); }
.btn-logout { background: #fee2e2; border: none; padding: 6px 12px; border-radius: 6px; cursor: pointer; color: #c53030; font-weight: bold; }

#theme-toggle {
    background: var(--badge-bg);
    color: var(--badge-text);
    border: 1px solid var(--badge-text);
    cursor: pointer;
    user-select: none;
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 6px;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
#theme-toggle:hover { filter: brightness(1.1); }
/* Cuando el tema activo es black-light, invertir el estilo del botón
   para que siga distinguiéndose del fondo claro */
#theme-toggle.theme-toggle-light {
    background: var(--btn-main-bg);
    color: var(--btn-main-text);
    border-color: var(--btn-main-bg);
}

/* --- BANDERAS E IDIOMAS --- */
.lang-bar { display: flex; justify-content: center; gap: 10px; margin-top: 10px; }
.lang-bar button {
    background: var(--bg-container);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 5px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    transition: background 0.2s ease, color 0.2s ease;
}
.lang-bar button.active {
    background: var(--btn-main-bg);
    color: var(--btn-main-text);
    border-color: var(--btn-main-bg);
}
.flag-icon {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    display: inline-block;
    vertical-align: middle;
    box-shadow: 0 0 1px rgba(0,0,0,0.25);
}

/* --- FORMULARIOS --- */
.form-section { margin-top: 15px; }
.form-section h2 { font-size: 1.2rem; margin-bottom: 15px; color: var(--text-main); }
.form-group { margin-bottom: 10px; text-align: left; }
.form-group label { color: var(--text-main); font-size: 0.9rem; font-weight: 500; display: block; margin-bottom: 4px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-main);
    color-scheme: var(--color-scheme);
    font-family: inherit;
    box-sizing: border-box;
}
.btn-submit {
    width: 100%;
    background: var(--btn-main-bg);
    color: var(--btn-main-text);
    border: none;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: filter 0.2s ease;
}
.btn-submit:hover { filter: brightness(1.1); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* --- SEMÁFOROS (Alertas interactivas) --- */
.alerts-section { margin: 20px 0; }
.alerts-section h2 { font-size: 1.2rem; margin-bottom: 5px; color: var(--text-main); }
.alerts-summary { display: flex; gap: 10px; margin-top: 10px; }
.alert-box {
    flex: 1; text-align: center; padding: 10px; border-radius: 6px;
    color: white; font-weight: bold; cursor: pointer;
    transition: transform 0.1s, opacity 0.3s;
    user-select: none;
}
.alert-box:active { transform: scale(0.95); }
.alert-box span { font-size: 1.3rem; }
.alert-box small { font-size: 0.7rem; font-weight: normal; display: block; }
.alert-red { background-color: #f56565; }
.alert-yellow { background-color: #ecc94b; }
.alert-green { background-color: #48bb78; }

.filtro-inactivo { opacity: 0.3; }

/* --- INVENTARIO --- */
.inventory-section h2 { font-size: 1.2rem; margin-bottom: 15px; color: var(--text-main); }
.product-card {
    border: 1px solid var(--border-color);
    background: var(--bg-container);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.product-card h3 { font-size: 1rem; color: var(--text-main); }
.product-card button {
    background: var(--bg-container);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
}

/* --- PANTALLA ACTIVACIÓN (MODAL) --- */
.overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--modal-overlay);
    display: flex; align-items: center; justify-content: center;
    z-index: 999;
    transition: background 0.3s ease;
}
.activation-modal {
    background: var(--bg-container);
    color: var(--text-main);
    padding: 25px;
    border-radius: 12px;
    width: 90%; max-width: 400px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* En pantallas grandes (computadora), el Planificador ocupa casi
   toda la pantalla en vez de quedar como un cuadrito chico en el
   medio — tiene mucho contenido (lista de recetas, resultados,
   stock elaborados) y necesita el espacio. En el celular no se
   toca nada, ya se ve bien. */
@media (min-width: 768px) {
    #planner-modal-inner {
        width: 92vw;
        max-width: 1100px;
        height: 90vh;
        max-height: 90vh;
    }
}
.activation-modal h1 { color: var(--text-main); font-size: 1.6rem; margin-bottom: 5px; }
.activation-modal h2 { color: var(--text-main); font-size: 1.3rem; margin-bottom: 10px; }
.activation-modal p { color: var(--text-muted); font-size: 0.9rem; }
.activation-modal input, .activation-modal select {
    width: 100%;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--input-bg);
    color: var(--text-main);
}

/* --- PLANIFICADOR / RECETAS --- */
/* --- PLANIFICADOR / RECETAS --- */
.ingredient-row {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 8px;
    background: var(--input-bg);
    position: relative;
}
.ingredient-row .ing-nombre {
    width: 100%;
    margin-bottom: 6px;
    margin: 0 0 6px 0;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-container);
    color: var(--text-main);
    font-size: 0.95rem;
    box-sizing: border-box;
}
.ingredient-row-bottom {
    display: flex;
    gap: 6px;
    align-items: center;
}
.ingredient-row .ing-cantidad {
    flex: 1;
    padding: 7px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-container);
    color: var(--text-main);
    font-size: 0.9rem;
    min-width: 0;
}
.ingredient-row .ing-unidad {
    flex: 1.2;
    padding: 7px 6px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-container);
    color: var(--text-main);
    font-size: 0.9rem;
    min-width: 0;
}
.ingredient-row .btn-remove-ingredient {
    background: #fee2e2;
    color: #c53030;
    border: none;
    border-radius: 6px;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
}
.ingredient-row .ing-nota {
    width: 100%;
    margin: 6px 0 0 0;
    padding: 7px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-container);
    color: var(--text-muted);
    font-size: 0.82rem;
    box-sizing: border-box;
    font-style: italic;
}

.recipe-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.recipe-item-name { font-weight: bold; color: var(--text-main); }
.recipe-item-meta { font-size: 0.8rem; color: var(--text-muted); }
.recipe-item-actions { display: flex; gap: 6px; flex-shrink: 0; }
.recipe-item-actions button {
    border: 1px solid var(--border-color);
    background: var(--bg-container);
    color: var(--text-main);
    border-radius: 6px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.85rem;
}
.recipe-item-actions .btn-delete-recipe { color: #c53030; }

.recipes-empty {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
    padding: 10px 0;
}

/* --- RESULTADO DEL CÁLCULO --- */
.plan-result-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 8px;
}
.plan-result-item.ok { border-color: #48bb78; background: rgba(72, 187, 120, 0.08); }
.plan-result-item.falta { border-color: #f56565; background: rgba(245, 101, 101, 0.08); }
.plan-result-item-title { font-weight: bold; color: var(--text-main); margin-bottom: 2px; }
.plan-result-item-detail { font-size: 0.85rem; color: var(--text-muted); }
.plan-result-warning {
    color: #dd6b20;
    font-size: 0.8rem;
    font-weight: bold;
    margin-top: 4px;
    display: block;
}
.plan-result-summary {
    text-align: center;
    font-weight: bold;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}
.plan-result-summary.ok { background: #48bb78; color: #fff; }
.plan-result-summary.falta { background: #f56565; color: #fff; }

/* --- CARGA MASIVA EXCEL --- */
.excel-section {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 15px;
    margin-top: 15px;
    background: var(--bg-container);
}
.excel-title {
    font-weight: bold;
    color: var(--text-main);
    font-size: 0.95rem;
    margin-bottom: 10px;
}
.excel-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    background: var(--input-bg);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.excel-drop-zone.dragover {
    border-color: var(--btn-main-bg);
    background: var(--badge-bg);
}
.btn-excel-download {
    flex: 1;
    background: #1d6f42;
    color: #ffffff;
    border: none;
    padding: 10px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.82rem;
    transition: filter 0.2s ease;
}
.btn-excel-download:hover { filter: brightness(1.15); }
.btn-excel-upload {
    flex: 1;
    background: var(--btn-main-bg);
    color: var(--btn-main-text);
    border: none;
    padding: 10px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.82rem;
    transition: filter 0.2s ease;
}
.btn-excel-upload:hover { filter: brightness(1.15); }
.excel-result-ok {
    background: rgba(72,187,120,0.1);
    border: 1px solid #48bb78;
    border-radius: 6px;
    padding: 10px;
    font-size: 0.85rem;
    color: var(--text-main);
}
.excel-result-error {
    background: rgba(245,101,101,0.1);
    border: 1px solid #f56565;
    border-radius: 6px;
    padding: 10px;
    font-size: 0.85rem;
    color: var(--text-main);
    margin-top: 6px;
}

/* --- ASISTENTE DE VOZ IA --- */
.btn-voice {
    width: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #cca43b;
    border: 2px solid #cca43b;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-voice:hover { filter: brightness(1.2); }
.btn-voice.recording {
    background: linear-gradient(135deg, #c53030 0%, #9b2335 100%);
    color: #ffffff;
    border-color: #fc8181;
    animation: pulse-recording 1s infinite;
}
@keyframes pulse-recording {
    0%, 100% { box-shadow: 0 0 0 0 rgba(197, 48, 48, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(197, 48, 48, 0); }
}
.btn-voice:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- CHIPS DE CATEGORÍAS --- */
.category-chip {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-main);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.category-chip:hover {
    border-color: var(--btn-main-bg);
    background: var(--badge-bg);
}
.category-chip.active {
    background: var(--btn-main-bg);
    color: var(--btn-main-text);
    border-color: var(--btn-main-bg);
    font-weight: bold;
}

/* ============================================================
   RESPONSIVE — Tablet y Escritorio
   Automático según ancho de pantalla, sin botón de toggle.
   En celulares (menos de 768px) no cambia absolutamente nada:
   estas reglas solo se activan a partir de esos anchos.

   Nota: los modales (Planificador, Lotes, Auditoría, etc.) traen
   un max-width fijado directo en el HTML de cada uno (inline
   style), así que para agrandarlos en pantallas grandes hace
   falta "pisar" ese valor con !important — si no, quedarían
   siempre chicos sin importar el tamaño de la pantalla.
   ============================================================ */

/* --- Tablets y notebooks chicas --- */
@media (min-width: 768px) {
    .app-container {
        max-width: 85vw;
        padding: 30px;
    }
    .activation-modal {
        max-width: 700px !important;
    }
}

/* --- Escritorio / notebooks grandes --- */
@media (min-width: 1024px) {
    .app-container {
        max-width: 1100px;
        padding: 35px 60px;
    }
    .activation-modal {
        max-width: 800px !important;
    }
}

/* --- Pantallas muy anchas (monitores grandes) --- */
@media (min-width: 1440px) {
    .app-container {
        max-width: 1400px;
    }
    .activation-modal {
        max-width: 900px !important;
    }
}