/* ============================================
   WoltfTech - Dark Industrial Glass UI
   Design System v2.0
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --bg-body: #0a0f1a;
    --bg-sidebar: #0d1321;
    --bg-card: rgba(15, 23, 42, 0.7);
    --bg-surface: rgba(30, 41, 59, 0.5);
    --bg-input: rgba(30, 41, 59, 0.8);

    --primary: #10b981;
    --primary-glow: rgba(16, 185, 129, 0.15);
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.15);
    --cyan: #06b6d4;
    --purple: #8b5cf6;
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.15);

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;

    --border-color: rgba(148, 163, 184, 0.08);
    --glass-border: rgba(255, 255, 255, 0.06);

    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;

    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.1);

    --sidebar-width: 260px;
    --topbar-height: 56px;

    --font: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
}

body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
}

a {
    color: inherit;
    text-decoration: none;
}

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

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

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.2);
    border-radius: 3px;
}

/* --- Sidebar --- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px 16px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.logo-sub {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
    transition: all 0.2s;
    margin-bottom: 2px;
    position: relative;
}

.nav-item:hover {
    background: var(--primary-glow);
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary-glow);
    color: var(--primary);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--primary);
}

.nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
}

.nav-badge {
    position: absolute;
    right: 12px;
    background: var(--danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 10px 16px;
}

.sidebar-footer {
    padding: 12px 10px 16px;
    border-top: 1px solid var(--border-color);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    margin-bottom: 6px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.user-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: capitalize;
}

.logout-btn:hover {
    color: var(--danger) !important;
    background: var(--danger-glow) !important;
}

/* --- Topbar (Mobile) --- */
.topbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--glass-border);
    align-items: center;
    padding: 0 16px;
    z-index: 99;
}

.topbar-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 6px;
}

.topbar-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
    margin-left: 12px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* --- Main Content --- */
.main {
    margin-left: var(--sidebar-width);
    padding: 28px 32px 40px;
    min-height: 100vh;
}

/* --- Page Header --- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.page-title span {
    color: var(--primary);
}

.page-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* --- KPI Grid --- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.kpi {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 22px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.kpi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--cyan));
}

.kpi.accent::before {
    background: linear-gradient(90deg, var(--accent), #fb923c);
}

.kpi.cyan::before {
    background: linear-gradient(90deg, var(--cyan), var(--purple));
}

.kpi.danger::before {
    background: linear-gradient(90deg, var(--danger), #f97316);
}

.kpi-icon {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.kpi-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 800;
    margin: 4px 0;
    letter-spacing: -1px;
}

.kpi-unit {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Section Grid --- */
.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 28px;
}

.section-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 18px;
    text-align: center;
    transition: all 0.2s;
}

.section-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.section-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.section-name {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.section-status {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-card.status-ok .section-status {
    color: var(--primary);
}

.section-card.status-warn .section-status {
    color: var(--accent);
}

.section-card.status-danger .section-status {
    color: var(--danger);
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 22px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

/* --- Grids --- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-2-1 {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* --- Chart --- */
.chart-container {
    position: relative;
    height: 280px;
}

/* --- Tables --- */
.table-wrapper {
    overflow-x: auto;
}

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

.data-table th {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 12px 14px;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* --- Forms --- */
.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-xs);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #059669);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

/* --- Alerts --- */
.alert-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border-left: 3px solid transparent;
}

.alert-item.alert-info {
    background: rgba(6, 182, 212, 0.05);
    border-left-color: var(--cyan);
}

.alert-item.alert-warning {
    background: rgba(245, 158, 11, 0.05);
    border-left-color: var(--accent);
}

.alert-item.alert-danger {
    background: rgba(239, 68, 68, 0.05);
    border-left-color: var(--danger);
}

.alert-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-content {
    flex: 1;
}

.alert-message {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.alert-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.alert-action {
    flex-shrink: 0;
}

.alert-list {}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 32px 16px;
}

.empty-state-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- Lab Indicators --- */
.lab-indicator {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.lab-ok {
    background: var(--primary-glow);
    color: var(--primary);
}

.lab-warn {
    background: var(--accent-glow);
    color: var(--accent);
}

.lab-danger {
    background: var(--danger-glow);
    color: var(--danger);
}

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
}

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

.badge-error {
    background: var(--danger-glow);
    color: var(--danger);
}

/* --- Equipment Cards --- */
.equipos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.equipo-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.2s;
}

.equipo-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.equipo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.equipo-icon {
    font-size: 1.8rem;
}

.equipo-status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.equipo-status-badge.status-ok {
    background: var(--primary-glow);
    color: var(--primary);
}

.equipo-status-badge.status-warn {
    background: var(--accent-glow);
    color: var(--accent);
}

.equipo-status-badge.status-danger {
    background: var(--danger-glow);
    color: var(--danger);
}

.equipo-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.equipo-section {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.equipo-actions {
    margin-top: 10px;
}

.status-form select {
    width: 100%;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    backdrop-filter: blur(4px);
}

.modal-card {
    background: var(--bg-sidebar);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    width: 90%;
    max-width: 440px;
    box-shadow: var(--shadow-card);
}

/* --- Login --- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    background-image:
        radial-gradient(ellipse at 30% 60%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 4px;
}

.login-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 28px;
}

.login-error {
    background: var(--danger-glow);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    margin-bottom: 18px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.login-input-group {
    position: relative;
    margin-bottom: 16px;
}

.login-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    color: var(--text-muted);
}

.login-input-group .form-input {
    padding-left: 42px;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary), #059669);
    color: white;
    border: none;
    border-radius: var(--radius-xs);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
    transition: all 0.2s;
    margin-top: 8px;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.login-footer {
    margin-top: 28px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* --- Success Messages --- */
.msg-success {
    background: var(--primary-glow);
    color: var(--primary);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.kpi,
.card,
.section-card,
.equipo-card {
    animation: fadeInUp 0.4s ease backwards;
}

.kpi:nth-child(1) {
    animation-delay: 0.05s;
}

.kpi:nth-child(2) {
    animation-delay: 0.10s;
}

.kpi:nth-child(3) {
    animation-delay: 0.15s;
}

.kpi:nth-child(4) {
    animation-delay: 0.20s;
}

/* --- Plant Switcher --- */
.plant-switcher {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.plant-switcher-mobile {
    margin-left: auto;
}

/* --- Nav Section Label --- */
.nav-section-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    padding: 8px 16px 4px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {

    .grid-2,
    .grid-2-1 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .topbar {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
    }

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

    .main {
        margin-left: 0;
        padding: 72px 16px 32px;
    }

    .page-title {
        font-size: 1.4rem;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }

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

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