/* ============================================================
   SMART FARMING — Dashboard Styles
   ============================================================ */
@import url('variables.css');

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-bg);
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font-family: var(--font-family);
}

/* ── Dashboard Layout ───────────────────────────────────────── */
.dashboard-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

/* ================================================================
   SIDEBAR
   ================================================================ */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

/* ── Sidebar Logo ───────────────────────────────────────────── */
.sidebar__logo {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.sidebar__logo i,
.sidebar__logo svg {
    color: var(--color-primary);
    width: 28px;
    height: 28px;
}

.sidebar__logo span {
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

/* ── Sidebar Nav ────────────────────────────────────────────── */
.sidebar__nav {
    flex: 1;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--text-sm);
    transition: all var(--transition);

}

.sidebar__link i,
.sidebar__link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.sidebar__link--active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;

}

/* ── Sidebar Footer ─────────────────────────────────────────── */
.sidebar__footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.sidebar__status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* ── Status Dot ─────────────────────────────────────────────── */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-dot--online {
    background: var(--color-success);
    box-shadow: 0 0 0 3px var(--color-success-bg);
    animation: statusPulse 2s ease-in-out infinite;
}

.status-dot--offline {
    background: var(--color-danger);
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}

/* ── Sidebar Overlay (mobile) ───────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 99;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

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

/* ================================================================
   MAIN CONTENT
   ================================================================ */
.main-content {
    padding: var(--space-xl) var(--space-2xl);
    overflow-y: auto;
    max-width: 1600px;
}

/* ── Header ─────────────────────────────────────────────────── */
.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.header__left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header__menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

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

.header__menu-btn i,
.header__menu-btn svg {
    width: 24px;
    height: 24px;
}

.header__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.header__subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.header__right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.header__status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    background: var(--color-success-bg);
    color: var(--color-success);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
}

.header__status--offline {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.header__update {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

/* ── Section ────────────────────────────────────────────────── */
.section {
    margin-bottom: var(--space-xl);
}

.section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.section__title {
    font-size: var(--text-lg);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.section__badge {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ================================================================
   SENSOR CARDS
   ================================================================ */
.sensor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-md);
}

.sensor-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    cursor: default;
}

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

/* ── Sensor Card Header ─────────────────────────────────────── */
.sensor-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

/* ── Sensor Card Icon ───────────────────────────────────────── */
.sensor-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    transition: transform var(--transition);
}

.sensor-card:hover .sensor-card__icon {
    transform: scale(1.05);
}

.sensor-card__icon i,
.sensor-card__icon svg {
    width: 22px;
    height: 22px;
}

/* Per-sensor color coding */
.sensor-card--temperature .sensor-card__icon { background: #FEE2E2; color: #EF4444; }
.sensor-card--humidity    .sensor-card__icon { background: #DBEAFE; color: #3B82F6; }
.sensor-card--ph          .sensor-card__icon { background: #EDE9FE; color: #8B5CF6; }
.sensor-card--ec          .sensor-card__icon { background: #FEF3C7; color: #F59E0B; }
.sensor-card--nutrient_temp .sensor-card__icon { background: #FCE7F3; color: #EC4899; }
.sensor-card--photoperiod .sensor-card__icon { background: #FFEDD5; color: #F97316; }
.sensor-card--ppfd        .sensor-card__icon { background: #FEF9C3; color: #EAB308; }
.sensor-card--water_level .sensor-card__icon { background: #CFFAFE; color: #06B6D4; }

/* ── Sensor Card Status Badge ───────────────────────────────── */
.sensor-card__status {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.sensor-card__status--normal {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.sensor-card__status--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    animation: pulse 2s ease-in-out infinite;
}

.sensor-card__status--critical {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    animation: pulse 1.5s ease-in-out infinite;
}

.sensor-card__status--offline {
    background: #F3F4F6;
    color: #9CA3AF;
}

/* ── Sensor Card Body ───────────────────────────────────────── */
.sensor-card__body {
    margin-bottom: var(--space-sm);
}

.sensor-card__value {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.sensor-card__number {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.sensor-card__unit {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.sensor-card__name {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* ── Sensor Card Footer ─────────────────────────────────────── */
.sensor-card__footer {
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
}

.sensor-card__threshold {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ── Skeleton Loading ───────────────────────────────────────── */
.sensor-card--skeleton {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    height: 180px;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.sensor-card--skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 0, 0, 0.04),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

/* reset hover on skeleton */
.sensor-card--skeleton:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}

/* ================================================================
   CHART CARD
   ================================================================ */
.chart-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.chart-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.chart-card__controls {
    display: flex;
    gap: var(--space-xs);
}

.chart-btn {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: var(--text-xs);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-family);
}

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

.chart-btn--active {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
}

.chart-btn--active:hover {
    background: var(--color-primary-dark);
}

.chart-card__body {
    padding: var(--space-lg);
    height: 350px;
    position: relative;
}

/* ================================================================
   BOTTOM GRID — Devices + Camera
   ================================================================ */
.bottom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

/* ── Device Card ────────────────────────────────────────────── */
.device-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.device-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.device-list {
    padding: var(--space-sm);
}

.device-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.device-item:hover {
    background: var(--color-bg);
}

.device-item__info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.device-item__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-item__icon i,
.device-item__icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-secondary);
}

.device-item__name {
    font-size: var(--text-sm);
    font-weight: 500;
}

.device-item__status {
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
}

.device-item__status--on {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.device-item__status--off {
    background: #F3F4F6;
    color: #9CA3AF;
}

/* ── Camera Card ────────────────────────────────────────────── */
.camera-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.camera-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.camera-card__badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-success);
}

.camera-card__body {
    aspect-ratio: 16 / 9;
    background: #F9FAFB;
}

.camera-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: var(--space-md);
}

.camera-placeholder__icon {
    width: 48px;
    height: 48px;
    color: #D1D5DB;
}

.camera-placeholder__text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.camera-placeholder__subtext {
    font-size: var(--text-xs);
    color: #9CA3AF;
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.7; }
}

@keyframes shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes statusPulse {
    0%, 100% { box-shadow: 0 0 0 0   rgba(22, 163, 74, 0.4); }
    50%      { box-shadow: 0 0 0 4px rgba(22, 163, 74, 0); }
}

/* ================================================================
   CUSTOM SCROLLBAR
   ================================================================ */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9CA3AF;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1200px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--sidebar-width);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 100;
    }

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

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

    .header__left {
        width: 100%;
        justify-content: space-between;
    }

    .header__menu-btn {
        display: flex;
        order: 2;
    }

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

@media (max-width: 768px) {
    .main-content {
        padding: var(--space-md);
    }

    .header {
        flex-direction: column;
    }

    .header__right {
        width: 100%;
        justify-content: flex-start;
    }

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

    .chart-card__body {
        height: 250px;
    }
}

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