/* ==========================================================================
   FIOT Dashboard Premium Stylesheet - Glassmorphism Dark Theme
   ========================================================================== */

/* Design Tokens & Variables */
:root {
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Sleek Harmonious Dark Palette */
    --bg-primary: #0a0e17;
    --bg-card: rgba(18, 24, 38, 0.65);
    --bg-input: rgba(30, 41, 59, 0.4);
    
    /* Glowing Accent Colors */
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-glow: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;
    
    /* Typography Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Borders & Shadow */
    --border-light: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(6, 182, 212, 0.5);
    --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.5;
}

/* Premium Glowing Background Decor */
.glow-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-bg::before, .glow-bg::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
}

.glow-bg::before {
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
    top: -200px;
    right: -100px;
}

.glow-bg::after {
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
    bottom: -200px;
    left: -100px;
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    box-shadow: var(--shadow-main);
}

/* App Container Layout */
.app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: 100vh;
}

/* App Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1.5rem;
}

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

.icon-glow {
    font-size: 2.2rem;
    background: var(--accent-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.4));
}

.brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand h1 span {
    font-weight: 300;
    color: var(--accent-cyan);
}

.brand p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Status Badges */
.global-status-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    border: 1px solid var(--border-light);
}

.status-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Status: Disconnected */
.status-disconnected {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.status-disconnected .pulse-dot {
    background-color: var(--accent-danger);
}

/* Status: Connecting */
.status-connecting {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.status-connecting .pulse-dot {
    background-color: var(--accent-warning);
    animation: pulse 1.5s infinite;
}

/* Status: Connected */
.status-connected {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.status-connected .pulse-dot {
    background-color: var(--accent-success);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 10px currentColor; }
    100% { transform: scale(0.9); opacity: 0.5; }
}

/* Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    align-items: start;
}

/* Sidebar Styling */
.sidebar-panel {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-header h2 i {
    color: var(--accent-cyan);
}

/* Form Styling */
.config-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

#btn-regen-client-id {
    position: absolute;
    right: 0.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

#btn-regen-client-id:hover {
    color: var(--accent-cyan);
    transform: rotate(180deg);
}

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

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent-glow);
    color: #000;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-connect {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    width: 100%;
    margin-top: 0.5rem;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.btn-connect:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-disconnect {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    width: 100%;
    margin-top: 0.5rem;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}

.btn-disconnect:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    border-radius: 6px;
}

/* Main Panel Layout */
.main-panel {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Devices Section */
.devices-section {
    padding: 1.5rem;
}

.panel-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.panel-header-title h2 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-header-title h2 i {
    color: var(--accent-cyan);
}

.section-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    min-height: 150px;
}

/* Device Card Styling */
.device-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.device-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: var(--accent-glow);
}

.device-card:hover {
    transform: translateY(-4px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.device-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.device-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.device-info .device-id-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.btn-revoke-device {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 0.25rem;
}

.btn-revoke-device:hover {
    color: var(--accent-danger);
}

.device-meta {
    border-top: 1px dashed var(--border-light);
    padding-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
}

.meta-row span:first-child {
    color: var(--text-secondary);
}

.meta-row span:last-child {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.device-payload {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    overflow-x: auto;
    max-height: 80px;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Empty State Placeholders */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 1.5rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px dashed var(--border-light);
    border-radius: 12px;
}

.empty-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
}

.empty-state p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 400px;
}

/* Terminal Component */
.terminal-section {
    padding: 1.5rem;
}

.terminal-body {
    background: #05070c;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 1rem;
    height: 240px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

/* Custom Scrollbar for Terminal & Payload */
.terminal-body::-webkit-scrollbar, .device-payload::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.terminal-body::-webkit-scrollbar-track, .device-payload::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.terminal-body::-webkit-scrollbar-thumb, .device-payload::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.terminal-body::-webkit-scrollbar-thumb:hover, .device-payload::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Terminal Log Types */
.log-line {
    position: relative;
    padding-left: 1.5rem;
    word-break: break-all;
}

.log-line::before {
    content: '❯';
    position: absolute;
    left: 0.25rem;
    color: var(--text-muted);
}

.system-log {
    color: var(--text-secondary);
}

.error-log {
    color: var(--accent-danger);
}
.error-log::before {
    color: var(--accent-danger);
}

.success-log {
    color: var(--accent-success);
}
.success-log::before {
    color: var(--accent-success);
}

.pub-log {
    color: var(--accent-cyan);
}

.sub-log {
    color: var(--accent-blue);
}

.msg-log {
    color: var(--accent-warning);
}

/* Modal Overlay Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 7, 12, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    width: 100%;
    max-width: 480px;
    padding: 2rem;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-header h2 i {
    color: var(--accent-cyan);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-body form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    border-top: 1px solid var(--border-light);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .app-container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    .global-status-container {
        align-self: stretch;
        justify-content: space-between;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .modal-content {
        height: 100vh;
        max-height: none;
        border-radius: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

/* ==========================================================================
   FIOT Device Controller Page Additions
   ========================================================================== */

/* Clickable Device Cards */
.clickable-device-card {
    cursor: pointer;
}
.clickable-device-card:hover {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
    border-color: var(--accent-cyan);
}

/* Back navigation */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Device info details layout */
.device-details-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    border-bottom: 1px dashed var(--border-light);
    padding-bottom: 0.75rem;
}

.detail-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-val {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.detail-val.font-mono {
    font-family: var(--font-mono);
    word-break: break-all;
}

/* Connection Tip Callout */
.connection-tip-card {
    background: rgba(6, 182, 212, 0.04);
    border: 1px solid rgba(6, 182, 212, 0.15);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.connection-tip-card i {
    color: var(--accent-cyan);
    font-size: 1.2rem;
    margin-top: 0.1rem;
}

.connection-tip-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Layout for controls on spray sp01 */
.controls-layout-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
}

@media (max-width: 900px) {
    .controls-layout-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.control-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-height: 280px;
}

/* Power overrides container */
.power-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    height: 100%;
}

.btn-power {
    padding: 1rem;
    font-size: 1rem;
    border-radius: 8px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    background: rgba(255,255,255,0.02);
}

.btn-power-on {
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--accent-success);
}
.btn-power-on:hover:not(:disabled) {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--accent-success);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.25);
    transform: translateY(-2px);
}

.btn-power-off {
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--accent-danger);
}
.btn-power-off:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.12);
    border-color: var(--accent-danger);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.25);
    transform: translateY(-2px);
}

.btn-power-toggle {
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--accent-warning);
}
.btn-power-toggle:hover:not(:disabled) {
    background: rgba(245, 158, 11, 0.12);
    border-color: var(--accent-warning);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.25);
    transform: translateY(-2px);
}

/* Scheduler Styles */
.scheduler-config-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.scheduler-actions {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 1rem;
}

.btn-start-sched {
    background: var(--accent-glow);
    color: #000;
}
.btn-start-sched:hover:not(:disabled) {
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
    transform: translateY(-2px);
}

.btn-stop-sched {
    color: var(--accent-danger);
    border-color: rgba(239, 68, 68, 0.3);
}
.btn-stop-sched:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--accent-danger);
}

/* Scheduler banner */
.status-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.25rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: auto;
    transition: var(--transition-smooth);
}

.banner-inactive {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.banner-active {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--accent-cyan);
    box-shadow: inset 0 0 10px rgba(6, 182, 212, 0.1);
}

.banner-spraying {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: var(--accent-success);
    box-shadow: inset 0 0 10px rgba(16, 185, 129, 0.1), 0 0 15px rgba(16, 185, 129, 0.15);
    animation: glow-pulse 2s infinite alternate;
}

@keyframes glow-pulse {
    0% { box-shadow: inset 0 0 10px rgba(16, 185, 129, 0.1), 0 0 5px rgba(16, 185, 129, 0.1); }
    100% { box-shadow: inset 0 0 10px rgba(16, 185, 129, 0.2), 0 0 15px rgba(16, 185, 129, 0.3); }
}

/* ==========================================================================
   FIOT Strip LED (stle01) Page Additions
   ========================================================================== */

/* Color Picker Container */
.color-picker-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: center;
    width: 100%;
}

.color-controls-main {
    display: flex;
    gap: 2.5rem;
    width: 100%;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.color-indicator-group, .color-picker-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.color-indicator-card {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-smooth);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.1);
}

.color-indicator-group span, .color-picker-group span {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Custom styled HTML5 Color Input */
.custom-color-input-wrapper {
    position: relative;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: var(--transition-smooth);
    background: linear-gradient(45deg, #ff0000, #00ff00, #0000ff);
}

.custom-color-input-wrapper:hover {
    transform: scale(1.05);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.custom-color-input-wrapper input[type="color"] {
    position: absolute;
    top: -10px;
    left: -10px;
    width: 90px;
    height: 90px;
    border: none;
    background: none;
    cursor: pointer;
    opacity: 0;
}

/* Presets Grid */
.presets-container {
    width: 100%;
    margin-top: 0.5rem;
}

.presets-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
}

.led-presets-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
    width: 100%;
}

.preset-color-btn {
    aspect-ratio: 1;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.preset-color-btn:hover {
    transform: scale(1.15) translateY(-2px);
    border-color: rgba(255, 255, 255, 0.6);
}

.preset-color-btn.active {
    border-color: #fff;
    box-shadow: 0 0 15px currentColor;
    transform: scale(1.1);
}

/* Brightness Indicator Icon */
.brightness-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 0.5rem;
}

.brightness-icon-glow {
    font-size: 1.3rem;
    color: var(--accent-warning);
    transition: var(--transition-smooth);
    filter: drop-shadow(0 0 3px rgba(245, 158, 11, 0.4));
}

/* Effects Grid styling */
.effects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    width: 100%;
}

@media (max-width: 600px) {
    .effects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .led-presets-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.effect-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 0.85rem 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--text-secondary);
}

.effect-btn i {
    font-size: 1.25rem;
    transition: var(--transition-smooth);
}

.effect-btn span {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.effect-btn:hover:not(:disabled) {
    background: rgba(6, 182, 212, 0.05);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.effect-btn.active {
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.15) 0%, rgba(79, 172, 254, 0.15) 100%);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.25), inset 0 0 8px rgba(6, 182, 212, 0.1);
    font-weight: 600;
}

.effect-btn.active i {
    color: var(--accent-cyan);
    transform: scale(1.1);
    filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.5));
}

/* Slider values display */
.slider-value-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent-cyan);
}

/* Settings Form elements */
.settings-form-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.settings-form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.btn-settings-apply {
    height: 42px;
    margin-top: 1.25rem; /* Align with input label spacing height */
    padding: 0 1.25rem;
    white-space: nowrap;
}