/* ============================================================
   SISTEMA INVENTARIO — Design System v2.2
   Sidebar colapsable · Fuentes grandes · Formularios rediseñados
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ======================== CSS Variables ======================== */
:root {
    --color-primary: #4F46E5;
    --color-primary-hover: #4338CA;
    --color-primary-light: rgba(79, 70, 229, 0.08);
    --color-primary-glow: rgba(79, 70, 229, 0.20);

    --color-success: #059669;
    --color-success-light: rgba(5, 150, 105, 0.08);
    --color-error: #DC2626;
    --color-error-light: rgba(220, 38, 38, 0.06);
    --color-warning: #D97706;
    --color-warning-light: rgba(217, 119, 6, 0.08);

    --color-bg: #F1F5F9;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F8FAFC;
    --color-surface-alt: #F8FAFC;

    --sidebar-width: 260px;
    --sidebar-collapsed-width: 64px;
    --sidebar-bg: #0F172A;
    --sidebar-hover: rgba(255, 255, 255, 0.06);
    --sidebar-active: rgba(255, 255, 255, 0.10);
    --sidebar-text: rgba(255, 255, 255, 0.55);
    --sidebar-text-hover: rgba(255, 255, 255, 0.85);
    --sidebar-text-active: #FFFFFF;
    --sidebar-border: rgba(255, 255, 255, 0.06);

    --navbar-height: 56px;

    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;

    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.15);

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

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

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--color-primary-hover);
}

h1,
h2,
h3,
h4 {
    margin: 0 0 0.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

h1 {
    font-size: 1.75rem;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 1.375rem;
}

h3 {
    font-size: 1.125rem;
}

p {
    margin: 0 0 1rem;
}

::selection {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ======================== Utilities ======================== */
.container {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.mt-1 {
    margin-top: 0.25rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-error {
    color: var(--color-error);
}

.text-success {
    color: var(--color-success);
}

/* ======================== LOGIN ======================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--sidebar-bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 70, 229, 0.3), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, rgba(99, 102, 241, 0.15), transparent);
}

.login-card {
    width: 100%;
    max-width: 26rem;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    box-shadow: var(--shadow-xl);
}

.login-card h2 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1.75rem;
}

/* ======================== FORMS ======================== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--color-surface);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input:hover {
    border-color: #CBD5E1;
}

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

.form-input::placeholder {
    color: var(--text-muted);
}

select.form-input {
    cursor: pointer;
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group .form-input {
    width: auto;
    accent-color: var(--color-primary);
}

/* ======================== FORM PAGE CARD ======================== */
.form-page-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: 2.5rem 3rem;
    max-width: 100%;
}

.form-page-card .form-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-page-card .form-page-title svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.form-page-card .form-page-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border-light);
}

.form-page-card .btn-primary {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.form-page-card .form-input {
    font-size: 1rem;
    padding: 0.625rem 0.875rem;
}

.form-page-card .form-label {
    font-size: 0.875rem;
}

/* Section divider inside form page */
.form-section-divider {
    border: none;
    border-top: 1px solid var(--color-border-light);
    margin: 1.5rem 0;
}

/* ======================== PAGE HEADER (breadcrumb-style) ======================== */
.page-header {
    margin-bottom: 1.75rem;
}

.page-header-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    margin-bottom: 0.5rem;
}

.page-header-back:hover {
    color: var(--color-primary);
}

.page-header-back svg {
    width: 18px;
    height: 18px;
}

/* ======================== BUTTONS ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1.125rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 1.5px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.5;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    width: 100%;
    padding: 0.625rem;
    box-shadow: 0 1px 3px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.btn[style*="background:var(--color-border)"] {
    background: var(--color-surface) !important;
    color: var(--text-primary) !important;
    border: 1.5px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
    transition: all var(--transition-fast) !important;
}

.btn[style*="background:var(--color-border)"]:hover {
    background: var(--color-surface-hover) !important;
    border-color: #CBD5E1 !important;
}

/* ======================== LAYOUT ======================== */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
    background: var(--color-bg);
}

.dashboard-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-base);
}

/* Sidebar collapsed state */
body.sidebar-collapsed .dashboard-body {
    margin-left: var(--sidebar-collapsed-width);
}

.dashboard-main {
    flex: 1;
    padding: 2rem 2.5rem;
    width: 100%;
    max-width: 100%;
}

@media (max-width: 1023px) {
    .dashboard-body {
        margin-left: 0;
    }

    body.sidebar-collapsed .dashboard-body {
        margin-left: 0;
    }
}

/* ======================== NAVBAR ======================== */
.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    height: var(--navbar-height);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    position: sticky;
    top: 0;
    z-index: 30;
}

.dashboard-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dashboard-header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dashboard-header-brand {
    font-weight: 700;
    font-size: 1.0625rem;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.dashboard-header-brand:hover {
    color: var(--color-primary);
}

.sidebar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-surface-hover);
    border-color: #CBD5E1;
    color: var(--text-primary);
}

.sidebar-toggle-icon {
    line-height: 1;
    font-size: 0;
    display: flex;
}

@media (max-width: 1023px) {
    .sidebar-toggle {
        display: flex;
    }
}

.header-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

/* ======================== SIDEBAR ======================== */
.sidebar-panel {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    z-index: 50;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--transition-base);
    cursor: pointer;
}

.sidebar-panel a,
.sidebar-panel button,
.sidebar-panel .sidebar-footer {
    cursor: default;
}

.sidebar-panel a {
    cursor: pointer;
}

.sidebar-panel button {
    cursor: pointer;
}

.sidebar-panel::-webkit-scrollbar {
    width: 3px;
}

.sidebar-panel::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-panel::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-pill);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 40;
}

/* — Collapsed sidebar on desktop — */
body.sidebar-collapsed .sidebar-panel {
    width: var(--sidebar-collapsed-width);
}

body.sidebar-collapsed .sidebar-panel .sidebar-link-text,
body.sidebar-collapsed .sidebar-panel .sidebar-section-title,
body.sidebar-collapsed .sidebar-panel .sidebar-footer-text,
body.sidebar-collapsed .sidebar-panel .sidebar-brand-text {
    display: none;
}

body.sidebar-collapsed .sidebar-panel .sidebar-section-content {
    display: block !important;
    padding: 0;
}

body.sidebar-collapsed .sidebar-panel .sidebar-header {
    justify-content: center;
    padding: 1rem 0.5rem;
}

body.sidebar-collapsed .sidebar-panel .sidebar-brand {
    justify-content: center;
}

body.sidebar-collapsed .sidebar-panel .sidebar-link,
body.sidebar-collapsed .sidebar-panel .sidebar-sublink {
    justify-content: center;
    padding: 0.75rem 0;
    border-left: 3px solid transparent;
}

body.sidebar-collapsed .sidebar-panel .sidebar-link--active,
body.sidebar-collapsed .sidebar-panel .sidebar-sublink.sidebar-link--active {
    border-left-color: var(--color-primary);
}

body.sidebar-collapsed .sidebar-panel .sidebar-section-title {
    display: none;
}

body.sidebar-collapsed .sidebar-panel .sidebar-icon {
    margin: 0;
    opacity: 0.7;
}

body.sidebar-collapsed .sidebar-panel .sidebar-link--active .sidebar-icon,
body.sidebar-collapsed .sidebar-panel .sidebar-sublink.sidebar-link--active .sidebar-icon {
    opacity: 1;
}

body.sidebar-collapsed .sidebar-panel .sidebar-footer {
    padding: 0.75rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

body.sidebar-collapsed .sidebar-panel .sidebar-footer-user {
    justify-content: center;
    margin: 0;
}

body.sidebar-collapsed .sidebar-panel .sidebar-footer-logout {
    padding: 0.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.sidebar-collapsed .sidebar-panel .sidebar-footer-logout svg {
    margin: 0 !important;
}

body.sidebar-collapsed .sidebar-panel .sidebar-nav {
    overflow-y: auto;
}

/* Collapse toggle button */
.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
    color: var(--sidebar-text);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

body.sidebar-collapsed .sidebar-collapse-btn svg {
    transform: rotate(180deg);
}

/* Mobile */
@media (max-width: 1023px) {
    .sidebar-panel {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
        width: var(--sidebar-width) !important;
    }

    body.sidebar-open .sidebar-panel {
        transform: translateX(0);
    }

    body.sidebar-open .sidebar-overlay {
        display: block;
    }

    /* Never collapse on mobile */
    body.sidebar-collapsed .sidebar-panel .sidebar-link-text,
    body.sidebar-collapsed .sidebar-panel .sidebar-section-title,
    body.sidebar-collapsed .sidebar-panel .sidebar-footer-text,
    body.sidebar-collapsed .sidebar-panel .sidebar-brand-text {
        display: revert;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-section-content {
        display: block !important;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-header {
        justify-content: space-between;
        padding: 1rem 1.125rem;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-brand {
        justify-content: flex-start;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-link,
    body.sidebar-collapsed .sidebar-panel .sidebar-sublink {
        justify-content: flex-start;
        padding: 0.625rem 1.125rem;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-section-title {
        justify-content: space-between;
        padding: 0.625rem 1.125rem;
        font-size: 0.75rem;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-icon {
        margin: 0;
    }

    body.sidebar-collapsed .sidebar-panel .sidebar-footer {
        padding: 0.875rem 1.125rem;
    }

    .sidebar-collapse-btn {
        display: none;
    }
}

@media (min-width: 1024px) {
    .sidebar-overlay {
        display: none !important;
    }

    .sidebar-close {
        display: none !important;
    }
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.125rem;
    border-bottom: 1px solid var(--sidebar-border);
    flex-shrink: 0;
    min-height: var(--navbar-height);
    gap: 0.5rem;
}

.sidebar-brand {
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-brand:hover {
    color: #fff;
    opacity: 0.85;
}

.sidebar-brand svg {
    opacity: 0.7;
    flex-shrink: 0;
}

.sidebar-brand-text {
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-close {
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    color: var(--sidebar-text);
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.sidebar-close-icon {
    font-size: 0;
    display: flex;
}

@media (max-width: 1023px) {
    .sidebar-close {
        display: flex;
    }
}

.sidebar-nav {
    padding: 0.5rem 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-link,
.sidebar-sublink {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.125rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-link:hover,
.sidebar-sublink:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-hover);
}

.sidebar-link--active,
.sidebar-sublink.sidebar-link--active {
    background: var(--sidebar-active);
    color: var(--sidebar-text-active);
    font-weight: 600;
    border-left-color: var(--color-primary);
}

.sidebar-link-text {
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-section {
    margin: 0.25rem 0;
}

.sidebar-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.625rem 1.125rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sidebar-text);
    cursor: pointer;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-section-title:hover {
    color: var(--sidebar-text-hover);
}

.sidebar-section-icon {
    font-size: 0.5rem;
    transition: transform var(--transition-fast);
    opacity: 0.5;
    flex-shrink: 0;
}

.sidebar-section[data-expanded="true"] .sidebar-section-icon {
    transform: rotate(180deg);
}

.sidebar-section-content {
    display: none;
    padding: 0 0 0.375rem;
}

.sidebar-section[data-expanded="true"] .sidebar-section-content {
    display: block;
}

.sidebar-section[data-expanded] .sidebar-section-content {
    display: block;
}

.sidebar-section[data-expanded="false"] .sidebar-section-content {
    display: none;
}

.sidebar-sublink {
    padding-left: 1.125rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.sidebar-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.55;
}

.sidebar-link--active .sidebar-icon,
.sidebar-sublink.sidebar-link--active .sidebar-icon {
    opacity: 1;
}

.sidebar-footer {
    flex-shrink: 0;
    padding: 0.875rem 1.125rem;
    border-top: 1px solid var(--sidebar-border);
    background: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.sidebar-footer-user {
    margin: 0 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-footer-form {
    margin: 0;
}

.sidebar-footer-logout {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.sidebar-footer-logout:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.15);
}

/* ======================== BADGE ======================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1875rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    background: var(--color-primary-light);
    color: var(--color-primary);
    text-transform: capitalize;
    letter-spacing: 0.02em;
}

/* ======================== TABLES ======================== */
.table-wrapper {
    overflow-x: auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.9375rem;
}

.table th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--color-surface-alt);
    border-bottom-color: var(--color-border);
    position: sticky;
    top: 0;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--color-surface-hover);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    white-space: nowrap;
    width: 1%;
}

/* ======================== ICON BUTTONS ======================== */
.btn-icon-form {
    display: inline-block;
    margin: 0;
    padding: 0;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    color: var(--text-muted);
    margin-right: 0.125rem;
    transition: all var(--transition-fast);
}

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

.btn-icon-edit:hover {
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-color: transparent;
}

.btn-icon-delete:hover {
    color: var(--color-error);
    background: var(--color-error-light);
    border-color: transparent;
}

.icon {
    display: block;
}

/* ======================== OBRA USER PICKER ======================== */
.obra-user-picker {
    margin-bottom: 1rem;
}

.obra-user-picker .obra-user-picker-add {
    display: flex;
    gap: 0.75rem;
    align-items: stretch;
    margin-bottom: 1rem;
}

.obra-user-picker .obra-user-picker-select-wrap {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.obra-user-picker .obra-user-picker-search {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
    outline: none;
}

.obra-user-picker .obra-user-picker-search:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.obra-user-picker .obra-user-picker-listbox {
    display: block;
    width: 100%;
    min-height: 140px;
    height: 140px;
    padding: 0.35rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    background: var(--color-surface);
    overflow-y: auto;
    -webkit-appearance: none;
    appearance: none;
}

.obra-user-picker .obra-user-picker-listbox option {
    padding: 0.35rem 0.5rem;
    display: block;
    border-radius: var(--radius-sm);
}

.obra-user-picker .obra-user-picker-btn-add {
    align-self: flex-end;
    flex-shrink: 0;
    white-space: nowrap;
    width: auto;
}

.obra-user-picker .obra-user-picker-list {
    margin-top: 0.5rem;
}

.obra-user-picker .obra-user-picker-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 0.35rem;
}

.obra-user-picker .obra-user-picker-item-label {
    flex: 1;
    min-width: 0;
    font-size: 0.9375rem;
    font-weight: 500;
}

.obra-user-picker .obra-user-picker-btn-remove {
    flex-shrink: 0;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.obra-user-picker .obra-user-picker-btn-remove:hover {
    background: var(--color-error-light);
    border-color: rgba(220, 38, 38, 0.15);
    color: var(--color-error);
}

.obra-user-picker .obra-user-picker-empty-msg {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ======================== INVENTARIO ROWS ======================== */
.inventario-row-alerta {
    background: var(--color-error-light) !important;
}

.inventario-row-alerta td {
    color: var(--color-error);
}

.inventario-row-anulado {
    background: var(--color-surface-alt) !important;
}

.inventario-row-anulado td {
    color: var(--text-muted);
}

.inventario-mov-form {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.35rem;
}

.inventario-cant-input {
    width: 5rem;
    padding: 0.35rem 0.5rem;
    font-size: 0.875rem;
    font-family: inherit;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.btn-sm-inventario {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.btn-sm-inventario.btn-sustraccion {
    background: var(--color-error-light);
    color: var(--color-error);
    border-color: rgba(220, 38, 38, 0.1);
}

.btn-sm-inventario.btn-sustraccion:hover {
    background: rgba(220, 38, 38, 0.1);
    border-color: rgba(220, 38, 38, 0.2);
}

.table-actions .inventario-mov-form+.inventario-mov-form {
    margin-top: 0.25rem;
}

/* ======================== INVENTARIO: Desktop vs Mobile ======================== */
.inventario-mobile {
    display: none !important;
}

@media (max-width: 767px) {
    .inventario-desktop {
        display: none !important;
    }

    .inventario-mobile {
        display: block !important;
    }

    .inventario-mobile.inventario-cards {
        display: flex !important;
    }
}

/* ======================== INVENTARIO CARDS ======================== */
.inventario-cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.inventario-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.125rem;
    box-shadow: var(--shadow-xs);
}

.inventario-card--alerta {
    background: var(--color-error-light);
    border-color: rgba(220, 38, 38, 0.15);
    border-left: 3px solid var(--color-error);
}

.inventario-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.inventario-card-title {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 600;
    flex: 1;
    min-width: 0;
}

.inventario-card-actions-wrap {
    position: relative;
    flex-shrink: 0;
}

.inventario-card-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.inventario-card-menu-btn:hover {
    background: var(--color-surface-hover);
    color: var(--text-primary);
}

.inventario-card-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    min-width: 11rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 20;
    padding: 0.3rem;
}

.inventario-card-menu-item,
.inventario-card-menu-item-form {
    display: block;
    width: 100%;
    text-align: left;
    margin: 0;
}

.inventario-card-menu-item {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.inventario-card-menu-item:hover {
    background: var(--color-surface-hover);
}

.inventario-card-menu-item--sustraer {
    color: var(--color-error);
}

.inventario-card-menu-item--delete {
    color: var(--color-error);
}

.inventario-card-menu-item--delete:hover {
    background: var(--color-error-light);
}

.inventario-card-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
    margin: 0;
    font-size: 0.9375rem;
}

.inventario-card-fields dt {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
}

.inventario-card-fields dd {
    margin: 0;
    font-weight: 500;
}

.inventario-card-alerta {
    grid-column: 1 / -1;
}

.inventario-cards-empty {
    color: var(--text-muted);
}

.inventario-mas-menos-wrap {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-left: 0.375rem;
    vertical-align: middle;
}

.inventario-btn-mas,
.inventario-btn-menos {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inventario-btn-mas:active,
.inventario-btn-menos:active {
    transform: scale(0.9);
}

.inventario-btn-mas {
    background: var(--color-success);
    color: #fff;
}

.inventario-btn-mas:hover {
    background: #047857;
}

.inventario-btn-menos {
    background: var(--color-error);
    color: #fff;
}

.inventario-btn-menos:hover {
    background: #B91C1C;
}

.inventario-card-dd-con-accion {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* ======================== MODAL ======================== */
.inventario-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    visibility: hidden;
    opacity: 0;
    transition: visibility var(--transition-base), opacity var(--transition-base);
}

.inventario-modal--open {
    visibility: visible;
    opacity: 1;
}

.inventario-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(3px);
}

.inventario-modal-box {
    position: relative;
    width: 100%;
    max-width: 24rem;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 1.5rem;
}

.inventario-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border-light);
}

.inventario-modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.inventario-modal-close {
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: none;
    font-size: 1.25rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.inventario-modal-close:hover {
    background: var(--color-surface-hover);
    color: var(--text-primary);
}

.inventario-modal-material {
    font-weight: 500;
    margin: 0 0 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.inventario-modal-footer {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.25rem;
}

/* ======================== LIST: Desktop vs Mobile ======================== */
.list-desktop {
    display: block;
}

.list-mobile {
    display: none !important;
}

@media (max-width: 767px) {
    .list-desktop {
        display: none !important;
    }

    .list-mobile {
        display: block !important;
    }

    .list-mobile.list-cards {
        display: flex !important;
    }
}

.list-cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.list-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.125rem;
    box-shadow: var(--shadow-xs);
}

.list-card--alerta {
    background: var(--color-error-light);
    border-color: rgba(220, 38, 38, 0.15);
}

.list-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.list-card-title {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 600;
    flex: 1;
    min-width: 0;
}

.list-card-actions-wrap {
    position: relative;
    flex-shrink: 0;
}

.list-card-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.list-card-menu-btn:hover {
    background: var(--color-surface-hover);
    color: var(--text-primary);
}

.list-card-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.25rem;
    min-width: 11rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 20;
    padding: 0.3rem;
}

.list-card-menu-item,
.list-card-menu-item-form {
    display: block;
    width: 100%;
    text-align: left;
    margin: 0;
}

.list-card-menu-item {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.list-card-menu-item:hover {
    background: var(--color-surface-hover);
}

.list-card-menu-item--sustraer {
    color: var(--color-error);
}

.list-card-menu-item--delete {
    color: var(--color-error);
}

.list-card-menu-item--delete:hover {
    background: var(--color-error-light);
}

.list-card-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1rem;
    margin: 0;
    font-size: 0.9375rem;
}

.list-card-fields dt {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
}

.list-card-fields dd {
    margin: 0;
    font-weight: 500;
}

.list-card-alerta {
    grid-column: 1 / -1;
}

.list-cards-empty {
    color: var(--text-muted);
}

/* ======================== REPORTE ======================== */
.reporte-filtros {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-xs);
}

.reporte-filtros-fechas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.reporte-filtros-fechas .form-group {
    margin-bottom: 0;
}

.reporte-items-wrap {
    max-width: 100%;
}

.reporte-items-lista {
    max-height: 220px;
    overflow-y: auto;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    background: var(--color-surface);
}

.reporte-item-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.reporte-item-row:hover {
    background: var(--color-surface-hover);
}

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

.reporte-item-row.reporte-item-row--oculto {
    display: none;
}

.reporte-item-row input[type="checkbox"] {
    flex-shrink: 0;
    accent-color: var(--color-primary);
}

.reporte-item-row label {
    margin: 0;
    cursor: pointer;
    flex: 1;
    font-size: 0.9375rem;
}

.reporte-chart-wrap {
    margin-top: 1.5rem;
    width: 100%;
    height: 400px;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xs);
}

.reporte-items-actions {
    display: flex;
    gap: 0.5rem;
}

/* ======================== DASHBOARD STATS ======================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-xs);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: box-shadow var(--transition-fast);
}

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

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-card-icon--primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.stat-card-icon--success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.stat-card-icon--warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.stat-card-content {
    flex: 1;
    min-width: 0;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.stat-card-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

.welcome-section {
    margin-bottom: 2rem;
}

.welcome-greeting {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.25rem;
}

.welcome-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.welcome-role {
    display: inline-flex;
    align-items: center;
    padding: 0.1875rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    background: var(--color-primary-light);
    color: var(--color-primary);
    text-transform: capitalize;
    margin-left: 0.375rem;
    vertical-align: middle;
}

/* ======================== RESPONSIVE ======================== */
@media (max-width: 1023px) {
    .dashboard-main {
        padding: 1.5rem;
    }

    .dashboard-header {
        padding: 0 1.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .dashboard-main {
        padding: 1.25rem 1rem;
    }

    .dashboard-header {
        padding: 0 1rem;
        height: 50px;
    }

    h1 {
        font-size: 1.375rem;
    }

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

    .stat-card-value {
        font-size: 1.5rem;
    }

    .form-page-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.75rem;
    }
}