/* Smart Irrigation — modern app theme */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --si-font: 'Plus Jakarta Sans', system-ui, sans-serif;
    --si-primary: #10b981;
    --si-primary-hover: #059669;
    --si-primary-soft: rgba(16, 185, 129, 0.12);
    --si-accent: #06b6d4;
    --si-sidebar-bg: #0f172a;
    --si-sidebar-width: 260px;
    --si-topbar-height: 64px;
    --si-body-bg: #f1f5f9;
    --si-surface: #ffffff;
    --si-border: #e2e8f0;
    --si-text: #0f172a;
    --si-text-muted: #64748b;
    --si-radius: 14px;
    --si-radius-sm: 10px;
    --si-shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.04);
    --si-shadow-lg: 0 8px 30px rgba(15, 23, 42, 0.08);
}

* {
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--si-font);
    background: var(--si-body-bg);
    color: var(--si-text);
}

.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-content {
    flex: 1;
    padding: 1.25rem 1rem 2rem;
}

@media (min-width: 992px) {
    .app-content {
    }
}

.si-sidebar {
    width: var(--si-sidebar-width);
    background: var(--si-sidebar-bg);
    color: #e2e8f0;
    flex-shrink: 0;
    display: none;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 1030;
}

@media (min-width: 992px) {
    .si-sidebar {
        display: flex;
    }
}

.si-sidebar-brand {
    padding: 1.35rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.si-sidebar-brand a {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.si-sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--si-primary), var(--si-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}


.si-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.si-logo-wordmark .si-logo-image {
    height: var(--si-logo-height, 40px);
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

.si-logo-icon,
.si-logo-icon-only .si-logo-icon {
    display: block;
    flex-shrink: 0;
    object-fit: contain;
}

.si-sidebar-brand .si-logo-wordmark {
    max-width: 100%;
}

.si-logo-sidebar {
    display: inline-flex;
}

.si-logo-landing {
    display: inline-flex;
}

.si-logo-auth {
    display: inline-flex;
}

.si-sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.si-nav-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    padding: 0.5rem 0.75rem 0.35rem;
}

.si-nav-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 0.85rem;
    margin-bottom: 0.15rem;
    border-radius: var(--si-radius-sm);
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.925rem;
    transition: all 0.15s ease;
}

.si-nav-link i {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
}

.si-nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.si-nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(6, 182, 212, 0.15));
    box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.25);
}

.si-sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.si-active-farm {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--si-radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}

.si-active-farm-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    margin-bottom: 0.2rem;
}

.si-active-farm-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: #f1f5f9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.si-user-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.si-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #334155, #475569);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.si-avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--si-primary), var(--si-accent));
}

a.si-avatar:hover {
    opacity: 0.9;
}

.si-user-row a.flex-grow-1:hover .si-user-name {
    color: #fff;
}

.si-user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #f1f5f9;
    line-height: 1.2;
}

.si-user-email {
    font-size: 0.72rem;
    color: #64748b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.si-logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: var(--si-radius-sm);
    background: rgba(255, 255, 255, 0.06);
    color: #94a3b8;
    flex-shrink: 0;
    transition: background 0.15s ease, color 0.15s ease;
}

.si-logout-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.si-logout-btn:focus-visible {
    outline: 2px solid rgba(16, 185, 129, 0.5);
    outline-offset: 2px;
}

.si-logout-btn svg {
    display: block;
}

.si-topbar {
    min-height: var(--si-topbar-height);
    background: var(--si-surface);
    border-bottom: 1px solid var(--si-border);
    display: flex;
    align-items: center;
    gap: 0.75rem 1rem;
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 1020;
}

@media (min-width: 992px) {
    .si-topbar {
        padding: 0 2rem;
        background: var(--si-surface);
        border-bottom: 1px solid var(--si-border);
        position: sticky;
        top: 0;
    }
}

.si-topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    margin-inline-start: auto;
}

.si-farm-switcher-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius-sm);
    background: var(--si-surface);
    color: var(--si-text);
    font-weight: 600;
    font-size: 0.875rem;
    line-height: 1.2;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    min-width: 0;
    max-width: 100%;
}

.si-farm-switcher-btn:hover {
    border-color: rgba(16, 185, 129, 0.35);
    box-shadow: 0 0 0 3px var(--si-primary-soft);
}

.si-farm-switcher-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 14rem;
}

.si-farm-switcher-chevron {
    font-size: 0.75rem;
    color: var(--si-text-muted);
    flex-shrink: 0;
}

.si-active-farm-btn {
    border: none;
    cursor: pointer;
    text-align: start;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.si-active-farm-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
}

.si-active-farm-chevron {
    font-size: 0.75rem;
    color: #94a3b8;
    flex-shrink: 0;
}

.si-modal {
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius);
    box-shadow: var(--si-shadow-lg);
}

.si-farm-picker-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.si-farm-picker-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius-sm);
    background: var(--si-surface);
    color: var(--si-text);
    font-weight: 500;
    font-size: 0.925rem;
    text-align: start;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

button.si-farm-picker-item {
    appearance: none;
}

.si-farm-picker-item:hover {
    background: var(--si-primary-soft);
    border-color: rgba(16, 185, 129, 0.25);
}

.si-farm-picker-item.is-active {
    background: var(--si-primary-soft);
    border-color: rgba(16, 185, 129, 0.35);
    color: var(--si-primary-hover);
    font-weight: 600;
    cursor: default;
}

.si-farm-picker-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    background: rgba(16, 185, 129, 0.12);
    color: var(--si-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.si-farm-picker-name {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.si-farm-picker-check {
    color: var(--si-primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.si-mobile-menu-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--si-radius-sm);
    border: 1px solid var(--si-border);
    background: var(--si-surface);
    color: var(--si-text);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 992px) {
    .si-mobile-menu-btn {
        display: none;
    }
}

.si-fab-menu {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--si-primary), var(--si-accent));
    color: #fff;
    border: none;
    box-shadow: var(--si-shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    z-index: 1040;
}

@media (min-width: 992px) {
    .si-fab-menu {
        display: none;
    }
}

.si-page-header {
    margin-bottom: 1.5rem;
}

.si-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.si-page-subtitle {
    color: var(--si-text-muted);
    font-size: 0.925rem;
    margin-bottom: 0;
}

.si-card {
    background: var(--si-surface);
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius);
    box-shadow: var(--si-shadow);
}

.si-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--si-border);
    font-weight: 600;
}

.si-card-body {
    padding: 1.25rem;
}

.btn-si-primary {
    background: linear-gradient(135deg, var(--si-primary), #0d9488);
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: var(--si-radius-sm);
    padding: 0.5rem 1rem;
    transition: transform 0.15s, box-shadow 0.15s;
}

.btn-si-primary:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--si-primary-hover), #0f766e);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-si-ghost {
    background: var(--si-surface);
    border: 1px solid var(--si-border);
    color: var(--si-text);
    font-weight: 500;
    border-radius: var(--si-radius-sm);
}

.btn-si-ghost:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: var(--si-text);
}

.si-badge {
    font-weight: 600;
    font-size: 0.72rem;
    padding: 0.35em 0.75em;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
}

.si-badge-success {
    background: var(--si-primary-soft);
    color: #047857;
}

.si-badge-muted {
    background: #f1f5f9;
    color: #64748b;
}

.si-badge-open {
    background: rgba(6, 182, 212, 0.15);
    color: #0e7490;
}

.si-badge-closed {
    background: #f1f5f9;
    color: #64748b;
}

.si-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    background: var(--si-surface);
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
}

.si-live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--si-primary);
    animation: si-pulse 2s infinite;
}

@keyframes si-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.si-farm-card {
    overflow: hidden;
    margin-bottom: 1.5rem;
    border-radius: var(--si-radius);
    border: 1px solid var(--si-border);
    box-shadow: var(--si-shadow);
    background: var(--si-surface);
}

.si-farm-card-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 1.15rem 1.35rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.si-farm-card-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.si-farm-card-body {
    padding: 1.25rem;
}

.si-zone-grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 768px) {
    .si-zone-grid {
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    }
}

.si-zone-card {
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius);
    background: #fafbfc;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

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

.si-zone-header {
    padding: 0.85rem 1rem;
    background: var(--si-surface);
    border-bottom: 1px solid var(--si-border);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.si-zone-body {
    padding: 1rem;
}

.si-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--si-text-muted);
    margin-bottom: 0.75rem;
}

.si-sensor-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem;
    background: var(--si-surface);
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius-sm);
    margin-bottom: 0.5rem;
    transition: border-color 0.15s;
}

.si-sensor-row:hover {
    border-color: #cbd5e1;
}

.si-sensor-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--si-primary-soft);
    color: var(--si-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.si-sensor-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--si-primary);
    letter-spacing: -0.02em;
}

.si-sensor-value.updated {
    animation: si-flash 0.6s ease;
}

@keyframes si-flash {
    0% { color: #059669; transform: scale(1.05); }
    100% { color: var(--si-primary); transform: scale(1); }
}

.si-valve-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--si-surface);
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius-sm);
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}

.si-valve-row.is-open {
    border-color: rgba(6, 182, 212, 0.35);
    background: rgba(6, 182, 212, 0.04);
}

.form-switch {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding-left: 0;
}

.form-switch .form-check-input {
    width: 2.75rem;
    height: 1.4rem;
    cursor: pointer;
    float: none;
    margin-left: 0;
    margin-right: 0;
    flex-shrink: 0;
}

.form-switch .form-check-input:checked {
    background-color: var(--si-accent);
    border-color: var(--si-accent);
}

.si-table-wrap {
    overflow: hidden;
    border-radius: var(--si-radius);
}

.si-table {
    margin-bottom: 0;
}

.si-table thead th {
    background: #f8fafc;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--si-text-muted);
    border-bottom: 1px solid var(--si-border);
    padding: 0.85rem 1rem;
    white-space: nowrap;
}

.si-table tbody td {
    padding: 0.9rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.9rem;
}

.si-table tbody tr:hover {
    background: #fafbfc;
}

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

.si-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--si-text-muted);
}

.si-empty i {
    font-size: 2.5rem;
    opacity: 0.35;
    margin-bottom: 0.75rem;
    display: block;
}

.si-alert {
    border-radius: var(--si-radius-sm);
    border: none;
    font-size: 0.9rem;
}

.si-auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: row;
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f766e 100%);
}

.si-auth-form-side {
    order: 1;
}

.si-auth-panel {
    order: 2;
}

.si-auth-panel {
    flex: 1;
    display: none;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    color: #fff;
}

@media (min-width: 992px) {
    .si-auth-panel {
        display: flex;
    }
}

.si-auth-panel h1 {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.si-auth-form-side {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    background: var(--si-surface);
}

@media (min-width: 992px) {
    .si-auth-form-side {
        min-height: 100vh;
        max-width: 480px;
        padding: 3rem;
        box-shadow: 20px 0 60px rgba(0, 0, 0, 0.15);
    }
}

.si-auth-logo {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--si-primary), var(--si-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 1.25rem;
}

.si-form-control {
    border-radius: var(--si-radius-sm);
    border: 1px solid var(--si-border);
    padding: 0.65rem 0.85rem;
}

.si-form-control:focus {
    border-color: var(--si-primary);
    box-shadow: 0 0 0 3px var(--si-primary-soft);
}

.offcanvas.si-offcanvas {
    background: var(--si-sidebar-bg);
    color: #e2e8f0;
    width: var(--si-sidebar-width);
}

.offcanvas.si-offcanvas .btn-close {
    filter: invert(1);
}

.spin {
    animation: si-spin 0.8s linear infinite;
}

@keyframes si-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.si-lang-switcher {
    display: inline-flex;
    border: 1px solid var(--si-border);
    border-radius: 999px;
    overflow: hidden;
    background: var(--si-surface);
}

.si-lang-switcher a {
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--si-text-muted);
    line-height: 1.2;
    transition: background 0.15s, color 0.15s;
}

.si-lang-switcher a:hover {
    color: var(--si-text);
    background: rgba(15, 23, 42, 0.04);
}

.si-lang-switcher a.active {
    background: var(--si-primary-soft);
    color: var(--si-primary);
}

.si-auth-lang {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
}

.si-landing-nav .si-lang-switcher {
    background: rgba(255, 255, 255, 0.9);
}

/* Admin panel */

:root {
    --si-admin-accent: #6366f1;
    --si-admin-accent-soft: rgba(99, 102, 241, 0.14);
    --si-admin-sidebar-bg: #1e1b4b;
}

.si-admin-body {
    --si-primary: var(--si-admin-accent);
    --si-primary-hover: #4f46e5;
    --si-primary-soft: var(--si-admin-accent-soft);
}

.si-sidebar-admin {
    background: var(--si-admin-sidebar-bg);
}

.si-sidebar-admin .brand-icon-admin {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.si-nav-link-admin.active {
    background: rgba(99, 102, 241, 0.2);
    color: #c7d2fe;
}

.si-nav-link-admin:hover:not(.active) {
    background: rgba(255, 255, 255, 0.06);
}

.si-admin-badge {
    border-color: rgba(99, 102, 241, 0.35);
    background: rgba(99, 102, 241, 0.12);
}

.si-admin-badge .si-active-farm-name {
    color: #c7d2fe;
}

.si-badge-admin {
    background: var(--si-admin-accent-soft);
    color: #4338ca;
}

.si-fab-admin {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.si-offcanvas-admin {
    background: var(--si-admin-sidebar-bg);
}

.si-stat-card {
    background: var(--si-surface);
    border: 1px solid var(--si-border);
    border-radius: var(--si-radius);
    box-shadow: var(--si-shadow);
    padding: 1.25rem;
    height: 100%;
}

.si-stat-card-admin {
    border-top: 3px solid var(--si-admin-accent);
}

.si-stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--si-radius-sm);
    background: var(--si-admin-accent-soft);
    color: var(--si-admin-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.si-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.si-stat-label {
    color: var(--si-text-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.si-auth-panel-admin {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
}

.si-auth-logo-admin {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}