@import url('tokens.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Brand Colors */
  --color-primary: #2D6A4F;      /* Deep Green: header, primary buttons, active nav */
  --color-accent: #F4A261;       /* Rice Gold: highlights, key metrics, harvest status */
  --color-water: #2176AE;        /* Water Blue: irrigation/water data and alerts */
  --color-soil: #8B5E3C;         /* Soil Brown: soil related data */

  /* Status / Alert Colors */
  --color-critical: #E63946;     /* Alert Red: critical warning, emergency stop */
  --color-warning: #F59E0B;      /* Warning Orange: medium risk alerts */
  --color-success: #22C55E;      /* Success Green: healthy, active, success */

  /* Neutrals */
  --color-bg: #F3F4F6;           /* Soft Gray: page background */
  --color-surface: #FFFFFF;      /* Card / panel background */
  --color-text: #1F2937;         /* Dark Text: primary text */
  --color-text-muted: #6B7280;   /* Muted Text: secondary text, labels */
  --color-border: #E5E7EB;       /* Default hairline border */

  /* Zone Health Status Colors */
  --status-healthy: #22C55E;   /* Green: Healthy */
  --status-warning: #EAB308;   /* Yellow: Warning */
  --status-high-risk: #F59E0B; /* Orange: High risk */
  --status-critical: #E63946;  /* Red: Critical */
  --status-water: #2176AE;     /* Blue: Water related */
  --status-offline: #9CA3AF;   /* Gray: No data / offline */

  /* Module Colors */
  --module-monitoring: #2176AE;   /* Sensors */
  --module-irrigation: #2D6A4F;   /* Irrigation / Actuator */
  --module-disease: #F59E0B;      /* Disease Detection */
  --module-pest: #E63946;         /* Pest Detection */
  --module-ai: #F4A261;           /* AI Recommendation */
  --module-twin: linear-gradient(135deg, #2D6A4F, #2176AE); /* Digital Twin */
  --module-reporting: #3B82F6;    /* Reporting / Analytics */

  /* Radius, Spacing, Elevation */
  --radius-sm:   8px;    /* small chips, dropdown menus, small inline elements */
  --radius-md:   10px;   /* buttons, inputs, filter dropdowns, search bar */
  --radius-lg:   14px;   /* nav items, list rows, table wrapper corners */
  --radius-xl:   18px;   /* cards, panels, stat cards */
  --radius-2xl:  22px;   /* large containers, modals, page level panels */
  --radius-full: 9999px; /* avatars, status dots, badges/pills, toggle switches, icon chips */

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 40px;

  --shadow-xs:    0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:    0 8px 24px rgba(0,0,0,0.10);   /* dropdowns, popovers */
  --shadow-modal: 0 16px 40px rgba(0,0,0,0.16);

  /* Typography */
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --text-xs:  12px;
  --text-sm:  13px;
  --text-base: 14px;  /* default body/table size */
  --text-md:  15px;
  --text-lg:  18px;
  --text-xl:  22px;
  --text-2xl: 28px;   /* page titles */
  --text-3xl: 34px;   /* KPI / stat card big numbers only */
}

body {
    margin: 0;
    font-family: var(--font-sans, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    background-color: var(--color-bg, #F3F4F6);
    color: var(--color-text, #1F2937);
    font-size: var(--text-base, 14px);
}

/* Semantic Brand & Status Utility Classes */
.bg-primary { background-color: var(--color-primary, #2D6A4F) !important; }
.text-primary { color: var(--color-primary, #2D6A4F) !important; }
.border-primary { border-color: var(--color-primary, #2D6A4F) !important; }

.bg-accent { background-color: var(--color-accent, #F4A261) !important; }
.text-accent { color: var(--color-accent, #F4A261) !important; }

.bg-water { background-color: var(--color-water, #2176AE) !important; }
.text-water { color: var(--color-water, #2176AE) !important; }

.bg-soil { background-color: var(--color-soil, #8B5E3C) !important; }
.text-soil { color: var(--color-soil, #8B5E3C) !important; }

.bg-critical { background-color: var(--color-critical, #E63946) !important; }
.text-critical { color: var(--color-critical, #E63946) !important; }

.bg-warning { background-color: var(--color-warning, #F59E0B) !important; }
.text-warning { color: var(--color-warning, #F59E0B) !important; }

.bg-success { background-color: var(--color-success, #22C55E) !important; }
.text-success { color: var(--color-success, #22C55E) !important; }

.bg-surface { background-color: var(--color-surface, #FFFFFF) !important; }
.bg-app-bg { background-color: var(--color-bg, #F3F4F6) !important; }
.text-app-text { color: var(--color-text, #1F2937) !important; }
.text-muted { color: var(--color-text-muted, #6B7280) !important; }
.border-app { border-color: var(--color-border, #E5E7EB) !important; }

/* Layout shell matching §3.1 */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 264px;
    min-width: 264px;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    border-radius: 0;
    z-index: 10;
}

.sidebar .brand {
    padding: var(--space-4) var(--space-4) var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-logo-mark {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-lg);
    background-color: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-md);
    flex-shrink: 0;
}

.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.sidebar-brand-name {
    font-size: var(--text-md);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.sidebar-brand-sub {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.sidebar-search-container {
    padding: var(--space-3) var(--space-4);
}

.sidebar-search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    color: var(--color-text-muted);
    font-size: var(--text-xs);
}

.sidebar-search input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: var(--text-xs);
    color: var(--color-text);
}

.sidebar-search-kbd {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1px 5px;
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2) var(--space-3);
}

.sidebar-group-title {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: var(--space-2) var(--space-3);
    letter-spacing: 0.05em;
    margin-top: var(--space-3);
}

.sidebar .nav-link-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px 14px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    margin-bottom: 2px;
    transition: background-color 0.15s ease, color 0.15s ease;
    border: none;
}

.sidebar .nav-link-item:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.sidebar .nav-link-item.active {
    background-color: rgba(45, 106, 79, 0.10);
    color: var(--color-primary);
    font-weight: 600;
    border: none;
}

.sidebar .nav-link-item .badge-count {
    margin-left: auto;
    background-color: var(--color-critical);
    color: white;
    font-size: var(--text-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.sidebar .nav-link-item-danger {
    color: #94a3b8;
}

.sidebar .nav-link-item-danger:hover {
    background-color: rgba(239, 68, 68, 0.08);
    color: #dc2626;
}

.sidebar .nav-link-item-danger.active {
    background-color: rgba(239, 68, 68, 0.10);
    color: #dc2626;
    font-weight: 600;
}

.sidebar-group-legal {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-2);
    margin-top: var(--space-2);
}

.sidebar-user-block {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background-color: var(--color-surface);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: rgba(45, 106, 79, 0.12);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    overflow: hidden;
}

.sidebar-user-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100vh;
}

.topbar {
    height: 64px;
    min-height: 64px;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-5);
    border-radius: 0;
}

.page-content {
    flex: 1;
    padding: var(--space-5);
    overflow-y: auto;
}

/* Base Card overrides §3.6 */
.card {
    background-color: var(--color-surface) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-xs) !important;
    padding: 0 !important;
    margin-bottom: var(--space-4) !important;
}

.card-header {
    background-color: transparent !important;
    border-bottom: 1px solid var(--color-border) !important;
    padding: var(--space-4) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

.card-body {
    padding: var(--space-4) !important;
}

.card-footer {
    background-color: transparent !important;
    border-top: 1px solid var(--color-border) !important;
    padding: var(--space-4) !important;
}

/* Interactive cards */
.card-interactive {
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card-interactive:hover {
    border-color: rgba(45, 106, 79, 0.3) !important;
    box-shadow: var(--shadow-sm) !important;
}

/* KPI numbers */
.kpi-value {
    font-size: var(--text-3xl) !important;
    font-weight: 700 !important;
    font-family: var(--font-mono) !important;
    color: var(--color-text) !important;
}
.kpi-label {
    font-size: var(--text-sm) !important;
    color: var(--color-text-muted) !important;
}

/* Table overrides §3.11 */
.table {
    width: 100%;
    margin-bottom: 0;
    border-collapse: collapse;
}

.table th {
    background-color: var(--color-bg) !important;
    color: var(--color-text-muted) !important;
    font-size: var(--text-xs) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.04em !important;
    font-weight: 600 !important;
    padding: var(--space-3) var(--space-4) !important;
    border-bottom: 1px solid var(--color-border) !important;
    border-top: none !important;
}

.table td {
    padding: var(--space-3) var(--space-4) !important;
    font-size: var(--text-base) !important;
    border-bottom: 1px solid var(--color-border) !important;
    height: 52px;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: var(--color-bg) !important;
}

/* Status Pill / Badge §3.6.1 */
.status-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 4px 10px !important;
    font-size: var(--text-xs) !important;
    font-weight: 500 !important;
    border-radius: var(--radius-full) !important;
    line-height: 1.2 !important;
    border: none !important;
}

.status-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

/* Status Badge colors (12% background, full strength text/dot) */
.status-healthy {
    background-color: rgba(34, 197, 94, 0.12) !important;
    color: var(--status-healthy) !important;
}
.status-healthy .status-badge-dot {
    background-color: var(--status-healthy);
}

.status-warning {
    background-color: rgba(234, 179, 8, 0.12) !important;
    color: #854d0e !important;
}
.status-warning .status-badge-dot {
    background-color: var(--status-warning);
}

.status-high-risk {
    background-color: rgba(245, 158, 11, 0.12) !important;
    color: #c2410c !important;
}
.status-high-risk .status-badge-dot {
    background-color: var(--status-high-risk);
}

.status-critical {
    background-color: rgba(230, 57, 70, 0.12) !important;
    color: var(--status-critical) !important;
}
.status-critical .status-badge-dot {
    background-color: var(--status-critical);
}

.status-water {
    background-color: rgba(33, 118, 174, 0.12) !important;
    color: var(--status-water) !important;
}
.status-water .status-badge-dot {
    background-color: var(--status-water);
}

.status-offline {
    background-color: rgba(156, 163, 175, 0.12) !important;
    color: var(--status-offline) !important;
}
.status-offline .status-badge-dot {
    background-color: var(--status-offline);
}

/* Form controls §3.13 */
.form-control, .form-select {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--color-border) !important;
    padding: 10px 14px !important;
    font-size: var(--text-base) !important;
    color: var(--color-text) !important;
    background-color: var(--color-surface) !important;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
    outline: none !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 2px rgba(45, 106, 79, 0.4) !important;
}

.form-label {
    font-size: var(--text-sm);
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-critical);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Button overrides §3.13 */
.btn {
    border-radius: var(--radius-md) !important;
    font-size: var(--text-sm) !important;
    font-weight: 600 !important;
    padding: 10px 18px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--space-2) !important;
    transition: all 0.15s ease !important;
}

.btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: white !important;
    box-shadow: var(--shadow-xs) !important;
}
.btn-primary:hover:not(:disabled) {
    background-color: #23533e !important;
    border-color: #23533e !important;
}

.btn-danger {
    background-color: var(--color-critical) !important;
    border-color: var(--color-critical) !important;
    color: white !important;
    box-shadow: var(--shadow-xs) !important;
}
.btn-danger:hover:not(:disabled) {
    background-color: #c92f3b !important;
    border-color: #c92f3b !important;
}

.btn-secondary {
    background-color: var(--color-text-muted) !important;
    border-color: var(--color-text-muted) !important;
    color: white !important;
}
.btn-secondary:hover:not(:disabled) {
    background-color: #555b66 !important;
    border-color: #555b66 !important;
}

.btn-light {
    background-color: var(--color-bg) !important;
    border-color: var(--color-border) !important;
    color: var(--color-text) !important;
}
.btn-light:hover:not(:disabled) {
    background-color: var(--color-border) !important;
}

.btn-outline-danger {
    border-color: var(--color-critical) !important;
    color: var(--color-critical) !important;
    background-color: transparent !important;
}
.btn-outline-danger:hover:not(:disabled) {
    background-color: var(--color-critical) !important;
    color: white !important;
}

/* Modals §3.12 */
.modal-content {
    background-color: var(--color-surface) !important;
    border-radius: var(--radius-2xl) !important;
    box-shadow: var(--shadow-modal) !important;
    border: 1px solid var(--color-border) !important;
}

.modal-header {
    border-bottom: 1px solid var(--color-border) !important;
    padding: var(--space-4) !important;
}

.modal-body {
    padding: var(--space-4) !important;
}

.modal-footer {
    border-top: 1px solid var(--color-border) !important;
    padding: var(--space-4) !important;
}

/* Breadcrumbs reset */
.breadcrumb-item a {
    color: var(--color-primary);
}
.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Mono font helper */
.font-mono {
    font-family: var(--font-mono) !important;
}

/* Blazor Error UI overrides */
#blazor-error-ui {
    background: #fff3cd;
    color: #664d03;
    border-top: 1px solid #ffe69c;
    bottom: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
    display: none;
    left: 0;
    padding: 0.75rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 2000;
    font-size: var(--text-sm);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1.25rem;
    top: 0.75rem;
    color: var(--color-text-muted);
}

#blazor-error-ui .dismiss:hover {
    color: var(--color-text);
}

/* Dashboard Page Layout & Utility Tokens (§3.1, §3.3, §3.5) */
.dashboard-container {
    padding: var(--space-5);
}

.page-header-block {
    margin-bottom: var(--space-5);
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    line-height: 1.2;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
    margin-bottom: 0;
}

.selector-label {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    margin: 0;
}

/* Tabs Bar (§3.2, §3.7) */
.tab-bar {
    display: flex;
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 10px 16px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.15s ease;
    margin-bottom: var(--space-2);
}

.tab-btn:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.tab-btn.active {
    background-color: rgba(45, 106, 79, 0.10);
    color: var(--color-primary);
    font-weight: 600;
}

/* Module Icon Chips (§2.3, §3.5.2) */
.module-chip {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-chip-monitoring { background-color: rgba(33, 118, 174, 0.12); color: var(--module-monitoring); }
.module-chip-irrigation { background-color: rgba(45, 106, 79, 0.12); color: var(--module-irrigation); }
.module-chip-disease { background-color: rgba(245, 158, 11, 0.12); color: var(--module-disease); }
.module-chip-pest { background-color: rgba(230, 57, 70, 0.12); color: var(--module-pest); }
.module-chip-ai { background-color: rgba(244, 162, 97, 0.12); color: var(--module-ai); }
.module-chip-twin { background-color: rgba(45, 106, 79, 0.12); color: var(--color-primary); }
.module-chip-reporting { background-color: rgba(59, 130, 246, 0.12); color: var(--module-reporting); }

/* Stat Tiles (§3.5) */
.stat-tile {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    box-shadow: var(--shadow-xs);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.stat-tile:hover {
    border-color: rgba(45, 106, 79, 0.2);
    box-shadow: var(--shadow-sm);
}

.stat-tile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.stat-tile-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.stat-tile-value {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-top: var(--space-1);
}

.stat-tile-value-lg {
    font-family: var(--font-mono);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-top: var(--space-1);
}

/* Alert Banners & Callouts */
.alert-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    border: 1px solid transparent;
}

.alert-banner-success {
    background-color: rgba(34, 197, 94, 0.12);
    color: var(--color-primary);
    border-color: rgba(34, 197, 94, 0.2);
}

.alert-banner-warning {
    background-color: rgba(245, 158, 11, 0.12);
    color: #854d0e;
    border-color: rgba(245, 158, 11, 0.2);
}

.alert-banner-critical {
    background-color: rgba(230, 57, 70, 0.12);
    color: var(--color-critical);
    border-color: rgba(230, 57, 70, 0.2);
}

.callout-box {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    border: 1px solid transparent;
}

.callout-box-water {
    background-color: rgba(33, 118, 174, 0.08);
    border-color: rgba(33, 118, 174, 0.2);
    color: var(--color-water);
}

.callout-box-warning {
    background-color: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
    color: #854d0e;
}

/* Empty States */
.empty-state-card {
    background-color: var(--color-surface);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
}

.empty-state-inline {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-4);
    background-color: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
}

.tag-badge-neutral {
    background-color: var(--color-bg);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}