/* ============================================================
   RINJI.ORG — Provisional Operations Dashboard
   ============================================================ */

/* Custom Properties */
@property --num {
    syntax: '<integer>';
    initial-value: 0;
    inherits: false;
}

:root {
    --paper-white:      #fafafa;
    --carbon:           #1a1a1a;
    --signal-red:       #d63031;
    --operational-green: #27ae60;
    --advisory-amber:   #f39c12;
    --sidebar-gray:     #2c3e50;
    --divider:          #dfe6e9;

    --font-display:     'DM Sans', sans-serif;
    --font-body:        'Source Sans 3', sans-serif;
    --font-mono:        'Red Hat Mono', monospace;

    --spacing-xs:   0.25rem;
    --spacing-sm:   0.5rem;
    --spacing-md:   1rem;
    --spacing-lg:   1.5rem;
    --spacing-xl:   2rem;

    --sidebar-width: 240px;
    --alert-bar-height: 48px;
    --panel-radius: 4px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--carbon);
    background: var(--paper-white);
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--alert-bar-height) 1fr;
    min-height: 100vh;
}

/* ============================================================
   ALERT BAR
   ============================================================ */

.alert-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--alert-bar-height);
    z-index: 1000;
    background: var(--operational-green);
    transition: background 0.4s ease;
    grid-column: 1 / -1;
}

.alert-bar[data-status="advisory"] {
    background: var(--advisory-amber);
}

.alert-bar[data-status="emergency"] {
    background: var(--signal-red);
}

.alert-bar__inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-md);
    overflow: hidden;
}

.alert-bar__label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.7);
    flex-shrink: 0;
}

.alert-bar__code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: #fff;
    background: rgba(0, 0, 0, 0.15);
    padding: 2px 6px;
    border-radius: 2px;
    flex-shrink: 0;
}

.alert-bar__message {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: #fff;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.alert-bar__message.is-fading {
    opacity: 0;
    transform: translateY(-8px);
}

.alert-bar__time {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.8);
    flex-shrink: 0;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.sidebar {
    grid-column: 1;
    grid-row: 2;
    background: var(--sidebar-gray);
    position: sticky;
    top: var(--alert-bar-height);
    height: calc(100vh - var(--alert-bar-height));
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
}

.sidebar__header {
    padding: var(--spacing-lg) var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: #fff;
}

.sidebar__logo-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #fff;
}

.sidebar__logo-kanji {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin-left: 2px;
}

.sidebar__nav {
    flex: 1;
    padding: var(--spacing-md) 0;
}

.sidebar__section-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.35);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem var(--spacing-md);
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    border-left: 3px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.sidebar__link:hover {
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.05);
}

.sidebar__link--active {
    color: #fff;
    border-left-color: var(--signal-red);
    background: rgba(255,255,255,0.07);
}

.sidebar__link--active .sidebar__icon {
    stroke: #fff;
}

.sidebar__icon {
    width: 16px;
    height: 16px;
    stroke: var(--divider);
    flex-shrink: 0;
    transition: stroke 0.15s ease;
}

.sidebar__link:hover .sidebar__icon {
    stroke: rgba(255,255,255,0.9);
}

.sidebar__footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar__footer-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: rgba(255,255,255,0.3);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

.main-content {
    grid-column: 2;
    grid-row: 2;
    background: var(--paper-white);
    min-height: calc(100vh - var(--alert-bar-height));
    padding-bottom: var(--spacing-xl);
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */

.content-section {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--carbon);
    line-height: 1.2;
}

.section-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: 0.25rem;
}

.meta-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--sidebar-gray);
}

.meta-separator {
    color: var(--divider);
    font-size: 0.75rem;
}

.meta-label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: rgba(26,26,26,0.5);
}

/* ============================================================
   SECTION DIVIDERS
   ============================================================ */

.section-divider {
    position: relative;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
}

.section-divider::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    height: 1px;
    background: var(--divider);
    transform: translateY(-50%);
}

.section-divider__label {
    position: relative;
    display: inline-block;
    background: var(--paper-white);
    padding: 0 var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: rgba(26,26,26,0.35);
}

/* ============================================================
   BENTO GRID
   ============================================================ */

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

/* ============================================================
   PANELS
   ============================================================ */

.panel {
    border: 1px solid var(--divider);
    border-radius: var(--panel-radius);
    background: var(--paper-white);
    border-left: 3px solid transparent;
    transition: border-left-color 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.panel--wide {
    grid-column: span 2;
}

.panel:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* Status color variants — hover border */
.panel--green:hover {
    border-left-color: var(--operational-green);
}

.panel--amber:hover {
    border-left-color: var(--advisory-amber);
}

.panel--red:hover {
    border-left-color: var(--signal-red);
}

/* Status Bar (4px top bar) */
.panel__status-bar {
    height: 4px;
    width: 100%;
}

.panel--green .panel__status-bar {
    background: var(--operational-green);
}

.panel--amber .panel__status-bar {
    background: var(--advisory-amber);
}

.panel--red .panel__status-bar {
    background: var(--signal-red);
}

.panel__content {
    padding: var(--spacing-md) var(--spacing-lg);
}

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

.panel__label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: rgba(26,26,26,0.4);
    text-transform: uppercase;
}

.panel__code {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: rgba(26,26,26,0.3);
}

.panel__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--carbon);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.panel__body {
    font-family: var(--font-body);
    font-size: 0.875rem;
    line-height: 1.65;
    color: rgba(26,26,26,0.7);
}

.panel__tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.panel__meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    color: rgba(26,26,26,0.5);
}

/* ============================================================
   METRICS (wide panel bottom row)
   ============================================================ */

.panel__metrics {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--divider);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.metric__value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 500;
    line-height: 1;
    color: var(--carbon);
    letter-spacing: -0.02em;
}

.metric__label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: rgba(26,26,26,0.5);
}

/* ============================================================
   BIG NUMBER
   ============================================================ */

.big-number {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin: var(--spacing-sm) 0;
}

.big-number__value {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1;
    color: var(--carbon);
    letter-spacing: -0.02em;
}

.big-number__unit {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 500;
    color: rgba(26,26,26,0.4);
}

/* ============================================================
   STATUS BADGES
   ============================================================ */

.status-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 2px 6px;
    border-radius: 2px;
    white-space: nowrap;
}

.status-badge--green {
    background: rgba(39, 174, 96, 0.12);
    color: #1e8449;
}

.status-badge--amber {
    background: rgba(243, 156, 18, 0.12);
    color: #b7770d;
}

.status-badge--red {
    background: rgba(214, 48, 49, 0.12);
    color: #c0392b;
}

/* ============================================================
   TAGS
   ============================================================ */

.tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 2px 6px;
    border-radius: 2px;
    background: rgba(26,26,26,0.07);
    color: rgba(26,26,26,0.55);
}

.tag--amber {
    background: rgba(243, 156, 18, 0.12);
    color: #b7770d;
}

.tag--red {
    background: rgba(214, 48, 49, 0.12);
    color: #c0392b;
}

/* ============================================================
   ALERT LIST (inside panel)
   ============================================================ */

.alert-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.alert-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: rgba(26,26,26,0.75);
}

.alert-item__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.alert-item--amber .alert-item__dot {
    background: var(--advisory-amber);
}

.alert-item--green .alert-item__dot {
    background: var(--operational-green);
}

.alert-item--red .alert-item__dot {
    background: var(--signal-red);
}

/* ============================================================
   STATUS TABLE
   ============================================================ */

.status-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
}

.status-table th {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: rgba(26,26,26,0.45);
    text-align: left;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-bottom: 1px solid var(--divider);
    text-transform: uppercase;
}

.status-table td {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: rgba(26,26,26,0.8);
    padding: var(--spacing-sm);
    border-bottom: 1px solid rgba(223,230,233,0.5);
    vertical-align: middle;
}

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

.status-table tr:hover td {
    background: rgba(0,0,0,0.02);
}

/* ============================================================
   RESOURCE BARS
   ============================================================ */

.resource-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.resource-bar {
    display: grid;
    grid-template-columns: 80px 1fr 40px;
    align-items: center;
    gap: var(--spacing-sm);
}

.resource-bar__label {
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: rgba(26,26,26,0.6);
}

.resource-bar__track {
    height: 6px;
    background: var(--divider);
    border-radius: 3px;
    overflow: hidden;
}

.resource-bar__fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s ease;
}

.resource-bar__fill--green {
    background: var(--operational-green);
}

.resource-bar__fill--amber {
    background: var(--advisory-amber);
}

.resource-bar__fill--red {
    background: var(--signal-red);
}

.resource-bar__value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: rgba(26,26,26,0.5);
    text-align: right;
}

/* ============================================================
   DIRECTIVE LIST
   ============================================================ */

.directive-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: var(--spacing-sm);
}

.directive-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    align-items: start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(223,230,233,0.5);
    border-left: 3px solid transparent;
    padding-left: var(--spacing-sm);
    transition: border-left-color 0.2s ease;
}

.directive-item:last-child {
    border-bottom: none;
}

.directive-item--green {
    border-left-color: var(--operational-green);
}

.directive-item--amber {
    border-left-color: var(--advisory-amber);
}

.directive-item--red {
    border-left-color: var(--signal-red);
}

.directive-item__code {
    font-size: 0.7rem;
    color: rgba(26,26,26,0.35);
    padding-top: 2px;
}

.directive-item__title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--carbon);
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.directive-item__text {
    font-family: var(--font-body);
    font-size: 0.8rem;
    line-height: 1.5;
    color: rgba(26,26,26,0.6);
}

.directive-item__status {
    padding-top: 2px;
    flex-shrink: 0;
}

/* ============================================================
   MONO UTILITY
   ============================================================ */

.mono {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid var(--divider);
    background: var(--paper-white);
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-footer__left,
.site-footer__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: rgba(26,26,26,0.4);
}

.site-footer__sep {
    color: var(--divider);
}

/* ============================================================
   MOBILE NAV TOGGLE
   ============================================================ */

.mobile-nav-toggle {
    display: none;
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 900;
    width: 44px;
    height: 44px;
    background: var(--sidebar-gray);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   COUNTER ANIMATION
   ============================================================ */

@keyframes count-up {
    from { --num: 0; }
    to   { --num: var(--count-target, 0); }
}

.metric__value.counting,
.big-number__value.counting {
    animation: count-up 1.2s ease-out forwards;
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */

@media (max-width: 767px) {
    body {
        grid-template-columns: 1fr;
        grid-template-rows: var(--alert-bar-height) 1fr;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        top: var(--alert-bar-height);
        width: var(--sidebar-width);
        height: calc(100vh - var(--alert-bar-height));
        z-index: 800;
        transition: left 0.25s ease;
        grid-row: auto;
        grid-column: auto;
    }

    .sidebar.sidebar--open {
        left: 0;
    }

    .main-content {
        grid-column: 1;
    }

    .content-section {
        padding: var(--spacing-md) var(--spacing-md);
    }

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

    .panel--wide {
        grid-column: span 1;
    }

    .panel__metrics {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .alert-bar__inner {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .alert-bar__message {
        font-size: 0.7rem;
    }

    .status-table {
        font-size: 0.8rem;
    }

    .status-table th,
    .status-table td {
        padding: var(--spacing-xs);
    }

    .directive-item {
        grid-template-columns: 50px 1fr;
    }

    .directive-item__status {
        grid-column: 2;
    }

    .site-footer__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .resource-bar {
        grid-template-columns: 70px 1fr 36px;
    }
}

@media (max-width: 640px) {
    .section-divider::before {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    .metric__value.counting,
    .big-number__value.counting {
        animation: none;
    }

    .alert-bar__message.is-fading {
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }

    .panel,
    .sidebar__link,
    .sidebar__icon,
    .alert-bar,
    .directive-item {
        transition: none;
    }
}