/* ============================================
   DIETETICA MV - Estilos Principales
   Mobile-first
   ============================================ */

@import url('variables.css');

/* === Reset y Base === */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-primary);
    background-color: var(--bg-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* === Navbar === */
.navbar {
    padding: var(--space-sm) var(--container-padding);
}

.navbar-brand {
    font-size: var(--font-size-lg);
}

/* === Cards === */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
}

/* === Grid de Compras (CSS Grid) === */
.compras-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .compras-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .compras-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.compras-grid .card,
.compra-card {
    display: flex;
    flex-direction: column;
}

.compras-grid .card-body,
.compra-card .card-body {
    flex: 1;
}

.compras-grid .card-footer {
    margin-top: auto;
}

.compra-card {
    overflow: hidden;
}

.compra-card-main {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    min-width: 0;
}

.compra-card-heading {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.compra-card-heading .card-title {
    overflow-wrap: anywhere;
}

.compra-thumbnail {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 84px;
    max-width: 64px;
    max-height: 84px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
}

.compra-thumbnail img {
    display: block;
    width: 64px;
    height: 84px;
    max-width: 64px;
    max-height: 84px;
    object-fit: cover;
}

.compra-thumbnail-empty {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
}

.compra-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
}

.compra-actions .btn,
.compra-actions form {
    min-width: 0;
}

.compra-actions .btn {
    width: 100%;
}

.min-w-0 {
    min-width: 0;
}

.receipt-preview {
    max-height: 70vh;
    object-fit: contain;
    background: var(--bg-body);
}

.receipt-empty-state {
    display: grid;
    place-items: center;
    gap: 0.25rem;
    min-height: 180px;
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    background: var(--bg-body);
}

.receipt-empty-state span {
    font-size: var(--font-size-sm);
}

.manual-upload-separator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1rem 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.manual-upload-separator::before,
.manual-upload-separator::after {
    content: "";
    flex: 1;
    border-top: 1px solid var(--border-color);
}

/* === Botones === */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-lg {
    padding: 0.6rem 1.2rem;
    font-size: var(--font-size-lg);
}

/* === Formularios === */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border-color: var(--border-color);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

/* === Tablas (Mobile-first: responsive) === */
.table-responsive {
    border-radius: var(--border-radius);
}

.table {
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.table th,
.table td {
    padding: 4px 3px;
    vertical-align: middle;
}

.table th {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom-width: 1px;
    white-space: nowrap;
}

.table td input.form-control {
    width: 100%;
    border-radius: 4px;
    padding: 0.2rem 0.35rem;
    font-size: var(--font-size-sm);
}

/* Desktop: distribución porcentaje de columnas */
.compra-items-table {
    min-width: 760px;
    table-layout: fixed;
}

.compra-items-table .col-desc     { width: 32%; }
.compra-items-table .col-cant     { width: 10%; }
.compra-items-table .col-unidad   { width: 10%; }
.compra-items-table .col-punit    { width: 13%; }
.compra-items-table .col-pventa   { width: 13%; }
.compra-items-table .col-total    { width: 12%; }
.compra-items-table .col-btn      { width: 6%; }

/* Mobile: columns más angostas, scroll horizontal */
@media (max-width: 767.98px) {
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .compra-card-main {
        gap: 0.75rem;
    }

    .compra-thumbnail {
        width: 58px;
        height: 76px;
        max-width: 58px;
        max-height: 76px;
    }

    .compra-thumbnail img {
        width: 58px;
        height: 76px;
        max-width: 58px;
        max-height: 76px;
    }

    .compra-actions {
        grid-template-columns: 1fr;
    }

    .compra-items-table {
        min-width: 720px;
    }
}

@media (min-width: 576px) {
    .compra-card-heading {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }
}

/* === Badges === */
.badge {
    font-weight: 600;
    font-size: var(--font-size-xs);
    padding: 0.35em 0.65em;
}

/* === Alerts === */
.alert {
    border-radius: var(--border-radius-lg);
    border: none;
}

/* === Utilidades de Espaciado Mobile-First === */
.py-mobile { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.px-mobile { padding-left: var(--space-md); padding-right: var(--space-md); }
.mt-mobile { margin-top: var(--space-md); }
.mb-mobile { margin-bottom: var(--space-md); }

/* === Footer === */
footer {
    margin-top: auto;
}

/* ============================================
   TABLET (≥768px)
   ============================================ */
@media (min-width: 768px) {
    .navbar {
        padding: var(--space-sm) var(--space-md);
    }

    .card-body {
        padding: var(--space-lg);
    }

    .py-tablet { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
    .px-tablet { padding-left: var(--space-lg); padding-right: var(--space-lg); }
}

/* ============================================
   DESKTOP (≥992px)
   ============================================ */
@media (min-width: 992px) {
    .container {
        max-width: var(--container-max);
    }

    .card-body {
        padding: var(--space-lg);
    }

    .py-desktop { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
    .px-desktop { padding-left: var(--space-xl); padding-right: var(--space-xl); }
}

@media (min-width: 1400px) {
    .card-body {
        padding: var(--space-xl);
    }
}

/* === Utilidades Generales === */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cursor-pointer {
    cursor: pointer;
}

/* === Animaciones === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* === Print styles === */
@media print {
    .navbar, footer, .btn, .no-print {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body {
        font-size: 12pt;
    }
}