/* Custom Styling for IntelliDwell USB Bridge Dashboard */

:root {
    --bg-dark: #0a0b10;
    --bg-card: rgba(20, 22, 35, 0.45);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);
    
    --primary: #0088ff;
    --primary-glow: rgba(0, 136, 255, 0.4);
    --accent: #ff007f;
    --accent-glow: rgba(255, 0, 127, 0.4);
    --success: #00e676;
    --success-glow: rgba(0, 230, 118, 0.4);
    --danger: #ff1744;
    --danger-glow: rgba(255, 23, 68, 0.4);
    --warning: #ffea00;
    --warning-glow: rgba(255, 234, 0, 0.4);
    
    --text-main: #f0f3f9;
    --text-muted: #8a99ad;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', source-code-pro, Menlo, Monaco, Consolas, monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Background Ambient Glows */
.background-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.35;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    bottom: -100px;
    right: -100px;
}

/* Layout container */
.app-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex-grow: 1;
}

/* Header */
.app-header {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 32px;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.app-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.accent-text {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-top: 2px;
}

.status-badges {
    display: flex;
    gap: 12px;
    align-items: center;
}

.status-badge {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success-glow);
    animation: pulse 2s infinite;
}

.status-dot.offline {
    background-color: var(--danger);
    box-shadow: 0 0 8px var(--danger-glow);
}

.status-dot.warning {
    background-color: var(--warning);
    box-shadow: 0 0 8px var(--warning-glow);
    animation: pulse 1.5s infinite;
}

/* Dashboard Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 24px;
}

/* Responsive columns */
@media (max-width: 968px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Card Styles */
.card {
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-content {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Badges */
.badge {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-blue {
    background: rgba(0, 136, 255, 0.15);
    color: #33a3ff;
    border: 1px solid rgba(0, 136, 255, 0.3);
}

.badge-purple {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Buttons */
.btn {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #0055ff 100%);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #d50000 100%);
    color: white;
    box-shadow: 0 4px 15px var(--danger-glow);
}

.btn-danger:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px var(--danger-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #d5006d 100%);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-accent:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 4px;
}

/* Device controls layout */
.device-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.info-label {
    color: var(--text-muted);
}

.info-value {
    font-weight: 600;
}

/* Output Signals Panel */
.signals-group {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 14px;
    border: 1px solid var(--border-color);
}

.signals-group h3, .manual-resets h3 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.signals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.signal-indicator {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.signal-led {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #3f4556;
    transition: all 0.2s ease;
}

.signal-indicator.active .signal-led {
    background-color: var(--success);
    box-shadow: 0 0 10px var(--success-glow);
}

.signal-name {
    font-size: 0.85rem;
    font-weight: 700;
}

/* Manual reset layout */
.manual-resets {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 14px;
    border: 1px solid var(--border-color);
}

.reset-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* Virtual Bridge Info */
.description {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.endpoint-box {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.endpoint-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.endpoint-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.15);
}

.endpoint-code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #e2e8f0;
    word-break: break-all;
    user-select: all;
    background: rgba(255, 255, 255, 0.02);
    padding: 6px;
    border-radius: 4px;
}

.endpoint-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Flow Diagram Styling */
.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.01);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 18px 12px;
    margin-top: 10px;
}

.node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.node.active {
    opacity: 1;
}

.node-icon {
    font-size: 1.6rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.node.active .node-icon {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 136, 255, 0.2);
}

.node-label {
    font-size: 0.75rem;
    font-weight: 600;
}

.flow-line {
    height: 2px;
    background: rgba(255, 255, 255, 0.08);
    flex-grow: 1;
    margin: 0 8px;
    position: relative;
    overflow: hidden;
}

.flow-line.active {
    background: linear-gradient(90deg, var(--primary), var(--success));
}

.flow-pulse {
    width: 6px;
    height: 6px;
    background-color: var(--success);
    border-radius: 50%;
    position: absolute;
    top: -2px;
    left: 0;
    box-shadow: 0 0 8px var(--success);
    animation: flowPulse 2s infinite linear;
    display: none;
}

.flow-line.active .flow-pulse {
    display: block;
}

/* Event Logs Card */
.events-card {
    grid-column: 1 / 2;
    height: 350px;
}

.log-container {
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.5;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border-color);
    flex-grow: 1;
}

.log-entry {
    margin-bottom: 6px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.02);
    padding-bottom: 4px;
    white-space: pre-wrap;
    word-break: break-all;
}

.log-entry.system {
    color: var(--text-muted);
}
.log-entry.info {
    color: #93c5fd;
}
.log-entry.success {
    color: var(--success);
}
.log-entry.warning {
    color: var(--warning);
}
.log-entry.error {
    color: var(--danger);
}

/* Device Serial Monitor Console Card */
.console-card {
    grid-column: 2 / 3;
    height: 350px;
}

@media (max-width: 968px) {
    .events-card, .console-card {
        grid-column: 1;
    }
}

.console-container {
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 8px;
    padding: 14px;
    border: 1px solid var(--border-color);
    flex-grow: 1;
    white-space: pre-wrap;
    word-break: break-all;
    color: #e2e8f0;
}

.console-placeholder {
    color: var(--text-muted);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.console-input-area {
    padding: 14px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    background: rgba(0, 0, 0, 0.1);
}

.console-input-area input {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    padding: 10px 16px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.console-input-area input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(0, 136, 255, 0.2);
}

.console-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.control-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 24px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Keyframes */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 4px var(--success-glow);
    }
    50% {
        transform: scale(1.15);
        box-shadow: 0 0 12px var(--success-glow);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 4px var(--success-glow);
    }
}

@keyframes flowPulse {
    0% {
        left: 0%;
    }
    100% {
        left: 100%;
    }
}

/* Login Overlay styles */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 11, 16, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.login-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(1.05);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px 32px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.login-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 10px;
    margin-bottom: 6px;
}

.login-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-form input[type="password"] {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    padding: 12px 18px;
    font-family: var(--font-sans);
    font-size: 1rem;
    text-align: center;
    transition: all 0.2s;
}

.login-form input[type="password"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 136, 255, 0.3);
}

.login-options {
    display: flex;
    justify-content: flex-start;
    padding-left: 2px;
}

.btn-block {
    width: 100%;
    font-size: 1rem;
    padding: 14px;
}

.login-error-msg {
    color: var(--danger);
    font-size: 0.85rem;
    font-weight: 600;
    min-height: 20px;
    transition: opacity 0.2s ease;
    opacity: 0;
}

.login-error-msg.visible {
    opacity: 1;
}