/* --- ROOT TOKENS --- */
:root {
    --bg-primary: hsl(222, 47%, 7%);
    --bg-secondary: hsl(224, 64%, 12%);
    --card-bg: rgba(23, 31, 56, 0.6);
    --card-border: rgba(255, 255, 255, 0.06);
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 75%);
    --text-muted: hsl(217, 10%, 50%);
    
    --color-normal: hsl(142, 72%, 45%);
    --color-normal-glow: rgba(16, 185, 129, 0.15);
    
    --color-alarm: hsl(0, 84%, 60%);
    --color-alarm-glow: rgba(239, 68, 68, 0.3);
    
    --color-fault: hsl(35, 92%, 55%);
    --color-fault-glow: rgba(245, 158, 11, 0.2);
    
    --color-disabled: hsl(210, 16%, 35%);
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --card-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    justify-content: center;
}

.glass-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(239, 68, 68, 0.08) 0%, transparent 45%);
    z-index: -1;
    pointer-events: none;
}

.app-container {
    width: 100%;
    max-width: 1440px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- HEADER --- */
.app-header {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.25rem 2rem;
    box-shadow: var(--card-shadow);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.fire-icon-wrapper {
    background: linear-gradient(135deg, hsl(0, 84%, 60%), hsl(35, 92%, 55%));
    border-radius: 12px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

.fire-icon {
    width: 28px;
    height: 28px;
}

.logo-area h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.status-badges {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.badge {
    padding: 0.35rem 0.85rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
}

.badge-sim {
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: hsl(230, 100%, 75%);
}

.badge-conn.disconnected {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-alarm);
    animation: pulse-badge-disconnected 2s infinite;
}

.badge-conn.connected {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-normal);
}

.badge-conn.error {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--color-fault);
}

.badge-time {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}

/* --- SUMMARY STATUS BANNER --- */
.status-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.status-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    transition: var(--transition-normal);
}

.banner-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.banner-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transition: var(--transition-normal);
}

.banner-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.banner-desc-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.banner-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.banner-meta .value {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    margin-left: 0.25rem;
}

/* Banner States */
.normal-state::before { background-color: var(--color-normal); }
.normal-state .banner-indicator { 
    background-color: var(--color-normal); 
    box-shadow: 0 0 12px var(--color-normal);
}
.normal-state .banner-text h3 { color: var(--color-normal); }

.alarm-state {
    animation: banner-alarm-pulse 1.5s infinite alternate;
}
.alarm-state::before { background-color: var(--color-alarm); }
.alarm-state .banner-indicator { 
    background-color: var(--color-alarm); 
    box-shadow: 0 0 16px var(--color-alarm);
}
.alarm-state .banner-text h3 { color: var(--color-alarm); }

.fault-state::before { background-color: var(--color-fault); }
.fault-state .banner-indicator { 
    background-color: var(--color-fault); 
    box-shadow: 0 0 12px var(--color-fault);
}
.fault-state .banner-text h3 { color: var(--color-fault); }

.offline-state::before { background-color: var(--color-disabled); }
.offline-state .banner-indicator { 
    background-color: var(--color-disabled); 
}
.offline-state .banner-text h3 { color: var(--text-muted); }

/* --- DASHBOARD GRID --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(320px, 0.9fr) minmax(320px, 0.9fr);
    gap: 1.5rem;
}

.grid-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

/* --- COLUMN 1: ZONE MONITORING --- */
.zones-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.zone-widget {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    transition: var(--transition-normal);
}

.zone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.zone-number {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.zone-status-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    font-family: var(--font-mono);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
}

.zone-bits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.bit {
    font-size: 0.75rem;
    font-family: var(--font-sans);
    font-weight: 500;
    text-align: center;
    padding: 0.4rem 0.2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

/* Zone States */
.state-normal { border-left: 4px solid var(--color-normal); }
.state-normal:hover { background: rgba(16, 185, 129, 0.02); }
.state-normal .zone-status-label { color: var(--color-normal); background: rgba(16, 185, 129, 0.08); }
.state-normal .bit.active { background: rgba(16, 185, 129, 0.12); border-color: rgba(16, 185, 129, 0.3); color: var(--color-normal); font-weight: 700; }

.state-alarm { border-left: 4px solid var(--color-alarm); background: rgba(239, 68, 68, 0.03); animation: widget-alarm-glow 1.5s infinite alternate; }
.state-alarm .zone-status-label { color: var(--color-alarm); background: rgba(239, 68, 68, 0.12); }
.state-alarm .bit.active { background: rgba(239, 68, 68, 0.2); border-color: rgba(239, 68, 68, 0.5); color: var(--color-alarm); font-weight: 700; box-shadow: 0 0 8px rgba(239, 68, 68, 0.25); }

.state-fault { border-left: 4px solid var(--color-fault); background: rgba(245, 158, 11, 0.02); }
.state-fault .zone-status-label { color: var(--color-fault); background: rgba(245, 158, 11, 0.1); }
.state-fault .bit.active { background: rgba(245, 158, 11, 0.15); border-color: rgba(245, 158, 11, 0.4); color: var(--color-fault); font-weight: 700; }

.state-disabled { border-left: 4px solid var(--color-disabled); opacity: 0.65; }
.state-disabled .zone-status-label { color: var(--text-muted); background: rgba(255, 255, 255, 0.05); }
.state-disabled .bit.active { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.15); color: var(--text-secondary); font-weight: 700; }

/* --- COLUMN 2: POWER & AUX --- */
.stats-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.power-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.power-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.power-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.power-icon { width: 20px; height: 20px; }
.power-info { display: flex; flex-direction: column; }
.power-info .label { font-size: 0.75rem; color: var(--text-muted); }
.status-value { font-size: 0.95rem; font-weight: 600; }

.power-on .power-icon-wrapper { background: rgba(16, 185, 129, 0.1); color: var(--color-normal); }
.power-on { border-color: rgba(16, 185, 129, 0.1); }
.power-off .power-icon-wrapper { background: rgba(239, 68, 68, 0.1); color: var(--color-alarm); animation: pulse-icon-alarm 1.5s infinite alternate; }
.power-off { border-color: rgba(239, 68, 68, 0.15); }

.batt-full .power-icon-wrapper { background: rgba(16, 185, 129, 0.1); color: var(--color-normal); }
.batt-charging .power-icon-wrapper { background: rgba(99, 102, 241, 0.1); color: hsl(230, 100%, 75%); animation: pulse-icon-charging 1.5s infinite; }
.batt-low .power-icon-wrapper { background: rgba(245, 158, 11, 0.1); color: var(--color-fault); animation: pulse-icon-alarm 1.5s infinite alternate; }
.batt-disconnected .power-icon-wrapper { background: rgba(255, 255, 255, 0.05); color: var(--text-muted); }

/* Enclosure Door */
.door-status-panel {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.door-label-area { display: flex; justify-content: space-between; align-items: center; }
.door-label-area .label { font-size: 0.85rem; color: var(--text-secondary); }
.door-value { font-size: 0.95rem; font-weight: 600; }
.door-visual-bar { width: 100%; height: 4px; background: rgba(255, 255, 255, 0.05); border-radius: 2px; overflow: hidden; }
.door-indicator-bar { width: 100%; height: 100%; transition: var(--transition-normal); }
.door-bar-open { background-color: var(--color-fault); box-shadow: 0 0 8px var(--color-fault); }
.door-bar-closed { background-color: var(--color-normal); }

/* AUXILIARY FIRE PANELS */
.aux-container {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.aux-widget {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 0.85rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.aux-header { display: flex; justify-content: space-between; align-items: center; }
.aux-name { font-size: 0.95rem; font-weight: 600; }
.aux-status { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; font-family: var(--font-mono); }
.aux-meta { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-muted); }
.aux-meta .value { color: var(--text-secondary); font-weight: 600; }

.aux-widget.state-alarm { border-left: 4px solid var(--color-alarm); background: rgba(239, 68, 68, 0.03); border-color: rgba(239, 68, 68, 0.2); }
.aux-widget.state-alarm .aux-status { color: var(--color-alarm); }
.aux-widget.state-normal { border-left: 4px solid var(--color-normal); }
.aux-widget.state-normal .aux-status { color: var(--color-normal); }

/* --- COLUMN 3: OUTPUTS & COMMAND CONTROLS --- */
.controls-container {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.control-widget {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 0.9rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-normal);
}

.control-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-icon svg { width: 20px; height: 20px; }
.control-details { display: flex; flex-direction: column; }
.control-details .label { font-size: 0.85rem; color: var(--text-secondary); }
.status-val { font-size: 0.9rem; font-family: var(--font-mono); font-weight: 700; }

.state-off .control-icon { background: rgba(255, 255, 255, 0.03); color: var(--text-muted); }
.state-off .status-val { color: var(--text-muted); }

.state-on.control-widget { background: rgba(239, 68, 68, 0.03); border-color: rgba(239, 68, 68, 0.15); }
.state-on .control-icon { background: rgba(239, 68, 68, 0.15); color: var(--color-alarm); }
.state-on .status-val { color: var(--color-alarm); }

.hooter.state-on { background: rgba(245, 158, 11, 0.03); border-color: rgba(245, 158, 11, 0.15); }
.hooter.state-on .control-icon { background: rgba(245, 158, 11, 0.15); color: var(--color-fault); }
.hooter.state-on .status-val { color: var(--color-fault); }
.hooter.state-on .horn-icon svg { animation: hooter-shake 0.3s infinite; }

/* COMMAND ACTION STYLING (SILENCE PANEL BUTTON) */
.action-panel {
    margin-top: 0.5rem;
    width: 100%;
}

.btn-action {
    width: 100%;
    border: none;
    outline: none;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.silence-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-alarm);
}

.silence-btn:hover {
    background: var(--color-alarm);
    color: white;
    box-shadow: 0 0 16px var(--color-alarm-glow);
}

.silence-btn:active {
    transform: scale(0.97);
}

/* Disabled state when offline */
.silence-btn:disabled,
.silence-btn.disabled-btn {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(100%);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

.bell-off-icon {
    width: 20px;
    height: 20px;
}

/* --- FOOTER --- */
.app-footer-bar {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 0.85rem 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    box-shadow: var(--card-shadow);
}
.app-footer-bar span {
    color: var(--text-secondary);
    font-weight: 600;
}

/* --- KEYFRAMES / ANIMATIONS --- */
@keyframes widget-alarm-glow {
    from { box-shadow: 0 0 4px rgba(239, 68, 68, 0.05); border-color: rgba(239, 68, 68, 0.15); }
    to { box-shadow: 0 0 16px rgba(239, 68, 68, 0.25); border-color: rgba(239, 68, 68, 0.45); }
}

@keyframes banner-alarm-pulse {
    from { box-shadow: 0 0 8px rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.15); background: var(--card-bg); }
    to { box-shadow: 0 0 24px rgba(239, 68, 68, 0.35); border-color: rgba(239, 68, 68, 0.5); background: rgba(239, 68, 68, 0.04); }
}

@keyframes pulse-icon-alarm {
    from { transform: scale(0.96); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    to { transform: scale(1.04); box-shadow: 0 0 12px 2px rgba(239, 68, 68, 0); }
}

@keyframes pulse-badge-disconnected {
    0% { opacity: 0.7; }
    50% { opacity: 1; border-color: rgba(239, 68, 68, 0.6); }
    100% { opacity: 0.7; }
}

@keyframes hooter-shake {
    0% { transform: rotate(0); }
    25% { transform: rotate(-8deg); }
    50% { transform: rotate(0); }
    75% { transform: rotate(8deg); }
    100% { transform: rotate(0); }
}

@keyframes pulse-icon-charging {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

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

@media (max-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .app-container { padding: 1rem; gap: 1rem; }
    .header-main { flex-direction: column; align-items: flex-start; }
    .status-badges { width: 100%; justify-content: flex-start; }
    .status-banner { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .banner-meta { align-self: flex-end; }
    .power-grid { grid-template-columns: 1fr; }
}