/* SAMSARA FLEET OS - ENTERPRISE STYLESHEET
  Theme: Modern SaaS (Elite Edition)
*/

:root {
    /* Color Palette */
    --primary: #2563eb;
    --primary-light: #eff6ff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --slate-900: #0f172a;
    --slate-700: #334155;
    --slate-500: #64748b;
    --slate-300: #cbd5e1;
    --slate-100: #f1f5f9;
    --white: #ffffff;

    /* Shadows & Radii */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-float: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 9999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafc;
    color: var(--slate-900);
    overflow: hidden;
    height: 100vh;
}

.app-shell {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* SIDEBAR NAVIGATION */
.sidebar-nav {
    width: 260px;
    background-color: var(--white);
    border-right: 1px solid var(--slate-300);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    z-index: 50;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-x: hidden;
}

.brand {
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.logo-box {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    white-space: nowrap;
}

.brand-text .product {
    font-weight: 700;
    font-size: 18px;
    color: var(--slate-900);
}

.brand-text .version {
    font-size: 11px;
    color: var(--slate-500);
    letter-spacing: 0.5px;
}

.nav-stack {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 12px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: none;
    background: none;
    color: var(--slate-500);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.nav-link:hover {
    background-color: var(--slate-100);
    color: var(--slate-900);
}

.nav-link.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-link i { font-size: 20px; flex-shrink: 0; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--slate-100);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
    background: var(--slate-100);
    border-radius: var(--radius-md);
    white-space: nowrap;
}

.avatar {
    width: 32px;
    height: 32px;
    background: var(--slate-300);
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
    flex-shrink: 0;
}

.user-info { display: flex; flex-direction: column; }
.user-info .name { font-size: 13px; font-weight: 700; }
.user-info .role { font-size: 11px; color: var(--slate-500); }

/* SIDEBAR COLLAPSED STATE LOGIC */
body.sidebar-collapsed .sidebar-nav {
    width: 84px;
}

body.sidebar-collapsed .brand {
    padding: 0;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
}

body.sidebar-collapsed .brand-text {
    display: none;
}

body.sidebar-collapsed .sidebar-toggle {
    margin-left: 0 !important;
}

body.sidebar-collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

body.sidebar-collapsed .nav-link {
    justify-content: center;
    padding: 12px;
}

body.sidebar-collapsed .nav-link span {
    display: none;
}

body.sidebar-collapsed .nav-link i {
    font-size: 24px;
}

body.sidebar-collapsed #logout-trigger {
    justify-content: center;
    padding: 12px;
}

body.sidebar-collapsed #logout-trigger span {
    display: none;
}

body.sidebar-collapsed #logout-trigger i {
    margin: 0;
    font-size: 24px;
}

body.sidebar-collapsed .user-profile {
    justify-content: center;
    background: transparent;
    padding: 8px 0;
}

body.sidebar-collapsed .user-info {
    display: none;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--slate-500);
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 8px;
    transition: all 0.2s;
    margin-left: auto;
}

.sidebar-toggle:hover {
    color: var(--primary);
    background: var(--slate-100);
}

.sidebar-toggle i {
    transition: transform 0.3s;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #f8fafc;
    overflow: hidden;
}

.top-bar {
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-context h1 { font-size: 24px; font-weight: 800; }
.page-context p { font-size: 14px; color: var(--slate-500); }

.global-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-bar {
    position: relative;
    width: 300px;
}

.search-bar i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--slate-500);
}

.search-bar input {
    width: 100%;
    padding: 10px 10px 10px 40px;
    border: 1px solid var(--slate-300);
    background: var(--white);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: border-color 0.2s;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.system-clock {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--slate-700);
    font-size: 14px;
}

.api-status-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--white);
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.api-status-chip.error {
    border-color: #fca5a5;
    color: var(--danger);
}

.indicator {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
    transition: all 0.3s ease;
}

.indicator.error {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

/* FLOATING CARDS */
.floating {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

.metrics-strip {
    display: flex;
    gap: 20px;
    padding: 0 32px 24px;
}

.metric-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.metric-icon.blue { background: #dbeafe; color: var(--primary); }
.metric-icon.green { background: #d1fae5; color: var(--success); }
.metric-icon.yellow { background: #fef3c7; color: var(--warning); }
.metric-icon.gray { background: #f1f5f9; color: var(--slate-500); }

.metric-data { display: flex; flex-direction: column; }
.metric-data .lbl { font-size: 12px; color: var(--slate-500); font-weight: 600; }
.metric-data .val { font-size: 24px; font-weight: 800; color: var(--slate-900); }

/* DATA GRID */
.viewport {
    flex: 1;
    padding: 0 32px 32px;
    overflow-y: auto;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.asset-card {
    padding: 24px;
    cursor: pointer;
    border: 2px solid transparent;
}

.asset-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-float);
    border-color: var(--primary-light);
}

.card-identity {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.asset-main h3 { font-size: 18px; font-weight: 800; }
.asset-main span { font-size: 12px; color: var(--slate-500); }

.status-badge {
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-badge.moving { background: #d1fae5; color: #065f46; }
.status-badge.idle { background: #fef3c7; color: #92400e; }
.status-badge.stopped { background: #f1f5f9; color: #475569; }

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.unit-mini-stat label { display: block; font-size: 10px; color: var(--slate-500); margin-bottom: 4px; font-weight: 600; }
.unit-mini-stat span { font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 700; }

.card-loc {
    display: flex;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--slate-100);
    font-size: 12px;
    color: var(--slate-700);
}

.card-loc i { color: var(--primary); }

/* TABLE */
.table-card { padding: 8px; overflow: hidden; }
.saas-table { width: 100%; border-collapse: collapse; text-align: left; }
.saas-table th { padding: 16px; font-size: 12px; color: var(--slate-500); font-weight: 700; border-bottom: 1px solid var(--slate-100); }
.saas-table td { padding: 16px; font-size: 14px; border-bottom: 1px solid var(--slate-100); }
.saas-table tr:last-child td { border-bottom: none; }

/* MODAL */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-window {
    width: 640px;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--slate-100);
}

.unit-identity { display: flex; align-items: center; gap: 12px; }
.unit-identity i { font-size: 28px; color: var(--primary); }

.modal-body { padding: 32px; overflow-y: auto; }

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
}

.info-tile {
    padding: 16px;
    background: var(--slate-100);
    border-radius: var(--radius-md);
}

.info-tile.large { grid-column: span 2; }
.info-tile label { font-size: 10px; color: var(--slate-500); font-weight: 700; text-transform: uppercase; margin-bottom: 8px; display: block; }
.info-tile .mono { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--primary); }

.stepper-content {
    margin-top: 20px;
    border-left: 2px solid var(--slate-300);
    padding-left: 24px;
}

.step {
    position: relative;
    margin-bottom: 20px;
}

.step::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 0;
    width: 8px;
    height: 8px;
    background: var(--slate-300);
    border-radius: 50%;
    border: 2px solid var(--white);
}

.step.done::before { background: var(--success); }
.step h4 { font-size: 13px; font-weight: 700; }
.step p { font-size: 12px; color: var(--slate-500); }

/* UTILS */
.hidden { display: none !important; }
.scroll-v::-webkit-scrollbar { width: 6px; }
.scroll-v::-webkit-scrollbar-thumb { background: var(--slate-300); border-radius: 10px; }
.scroll-v::-webkit-scrollbar-track { background: transparent; }

.btn-primary { background: var(--primary); color: white; border: none; padding: 10px 20px; border-radius: var(--radius-md); font-weight: 700; cursor: pointer; }
.btn-secondary { background: var(--slate-100); color: var(--slate-900); border: 1px solid var(--slate-300); padding: 10px 20px; border-radius: var(--radius-md); font-weight: 700; cursor: pointer; }

/* LOGIN PAGE STYLES */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top left, #f8fafc, #eff6ff);
}

.login-card {
    width: 400px;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--slate-500);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.btn-full {
    width: 100%;
    margin-top: 10px;
}

.error-msg {
    color: var(--danger);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    margin-top: 16px;
}

/* SIGN OUT BUTTON */
.btn-signout {
    margin-top: auto;
    width: calc(100% - 24px);
    margin-left: 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: transparent;
    border: 1px solid var(--slate-100);
    color: var(--slate-500);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-signout:hover {
    background: #fef2f2;
    color: var(--danger);
    border-color: #fecaca;
}