:root {
    --bg-base: #141720;
    --deck-bg: linear-gradient(155deg, #1f232f 0%, #171a23 50%, #12141c 100%);
    --panel-bg: linear-gradient(145deg, #202431, #171a24);
    --panel-border: rgba(255, 255, 255, 0.06);
    --accent-cyan: #00f0ff;
    --accent-blue: #38bdf8;
    --accent-pink: #ff2a85;
    --accent-purple: #8b5cf6;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --text-main: #f1f5f9;
    --text-muted: #8492a6;
    --shadow-light: rgba(255, 255, 255, 0.035);
    --shadow-dark: #08090d;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    position: relative;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 50% 0%, #252b3a 0%, #151821 55%, #0d0f15 100%),
        radial-gradient(circle at 10% 90%, rgba(0, 240, 255, 0.05) 0%, transparent 35%),
        radial-gradient(circle at 90% 10%, rgba(255, 42, 133, 0.05) 0%, transparent 35%);
    background-attachment: fixed;
}

/* Subtle metallic brushed grid texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    z-index: 0;
}

.orbitron-title {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 0.06em;
}

.mono-font {
    font-family: 'JetBrains Mono', monospace;
}

/* Custom Skeuomorphic Scrollbars */
::-webkit-scrollbar {
    width: 7px;
    height: 7px;
}
::-webkit-scrollbar-track {
    background: #0d0f15;
    border-radius: 4px;
    box-shadow: inset 1px 1px 2px rgba(0,0,0,0.8);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #32384a, #202432);
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #424a61, #2b3044);
}

/* Hardware Bolt / Rivet Details */
.hardware-bolt {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #474f66, #161821 75%);
    box-shadow: 
        inset 1px 1px 1px rgba(255,255,255,0.35),
        inset -1px -1px 1.5px rgba(0,0,0,0.9),
        1px 1px 3px rgba(0,0,0,0.8);
    position: absolute;
    z-index: 5;
    pointer-events: none;
}
.hardware-bolt::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 1.5px;
    background: #0b0c11;
    transform: translate(-50%, -50%) rotate(42deg);
    box-shadow: 0 0.5px 0.5px rgba(255,255,255,0.25);
}
.bolt-tl { top: 14px; left: 14px; }
.bolt-tr { top: 14px; right: 14px; transform: rotate(85deg); }
.bolt-bl { bottom: 14px; left: 14px; transform: rotate(15deg); }
.bolt-br { bottom: 14px; right: 14px; transform: rotate(115deg); }

/* Master Console Deck Chassis (Neumorphic Extrusion) */
.console-deck {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1060px;
    background: var(--deck-bg);
    border-radius: 28px;
    padding: 2rem 2.25rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 
        22px 22px 55px var(--shadow-dark),
        -14px -14px 45px var(--shadow-light),
        inset 1px 1px 1px rgba(255, 255, 255, 0.12),
        inset -1px -1px 2px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(0, 0, 0, 0.85);
}

@media (max-width: 640px) {
    .console-deck {
        padding: 1.5rem 1rem;
        border-radius: 20px;
    }
}

/* 2x2 Uniform Layout Grid for the 4 Sections */
.deck-body {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.35rem;
    margin-top: 1.5rem;
    align-items: stretch;
}

@media (max-width: 920px) {
    .deck-body {
        grid-template-columns: 1fr;
    }
}

/* Skeuomorphic Sub-Panel / Module (Strictly Equalized Dimensions) */
.sk-module {
    background: var(--panel-bg);
    border-radius: 18px;
    padding: 1.25rem;
    position: relative;
    border: 1px solid var(--panel-border);
    box-shadow: 
        8px 8px 20px rgba(0, 0, 0, 0.5),
        -6px -6px 18px rgba(255, 255, 255, 0.025),
        inset 1px 1px 1px rgba(255, 255, 255, 0.07),
        inset -1px -1px 2px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    height: 310px;
    box-sizing: border-box;
    overflow: visible;
}

/* Recessed Well (Carved-in / Inset for Screen & Textarea) */
.sk-well {
    background: #0c0e14;
    border-radius: 13px;
    border: 1px solid rgba(0, 0, 0, 0.9);
    box-shadow: 
        inset 4px 4px 10px rgba(0, 0, 0, 0.85),
        inset -2px -2px 6px rgba(255, 255, 255, 0.025),
        0 1px 1px rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

/* Glass Specular Sheen (Screen reflection) */
.sk-well::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 45%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
    z-index: 2;
}

/* Embossed / Engraved Section Headers */
.sk-label {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #b0bad0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.9), 0 -1px 0 rgba(255, 255, 255, 0.06);
}

.sk-pill-tag {
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    background: #0f1118;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 1px 1px 3px rgba(0,0,0,0.6), 0 1px 0 rgba(255,255,255,0.05);
    color: var(--accent-cyan);
    font-weight: 700;
}

/* Tactile Push Buttons (Convex Raised Neumorphism) */
.sk-button {
    position: relative;
    background: linear-gradient(155deg, #252a38 0%, #191c26 100%);
    color: #9aa7bc;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.65rem 0.9rem;
    border-radius: 11px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: all 0.16s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 
        5px 5px 12px rgba(0, 0, 0, 0.6),
        -3px -3px 9px rgba(255, 255, 255, 0.035),
        inset 1px 1px 1px rgba(255, 255, 255, 0.14),
        inset -1px -1px 1.5px rgba(0, 0, 0, 0.6);
}

.sk-button:hover {
    color: #ffffff;
    background: linear-gradient(155deg, #2c3243 0%, #1e222f 100%);
    box-shadow: 
        6px 6px 15px rgba(0, 0, 0, 0.7),
        -4px -4px 11px rgba(255, 255, 255, 0.05),
        inset 1px 1px 1.5px rgba(255, 255, 255, 0.2);
    transform: translateY(-0.5px);
}

.sk-button:active {
    transform: translateY(1.5px);
    background: linear-gradient(155deg, #151720 0%, #1b1e29 100%);
    box-shadow: 
        inset 3px 3px 7px rgba(0, 0, 0, 0.8),
        inset -2px -2px 5px rgba(255, 255, 255, 0.04),
        0 1px 1px rgba(0, 0, 0, 0.4);
}

/* Active / Depressed State with Illuminated Jewel Effect */
.sk-button.active {
    background: linear-gradient(155deg, #11141c 0%, #171b26 100%);
    color: var(--accent-cyan);
    border-color: rgba(0, 240, 255, 0.45);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
    box-shadow: 
        inset 3px 3px 8px rgba(0, 0, 0, 0.85),
        inset -2px -2px 6px rgba(255, 255, 255, 0.05),
        0 0 15px rgba(0, 240, 255, 0.18),
        0 1px 1px rgba(255, 255, 255, 0.05);
}

.sk-button.active::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 6px var(--accent-cyan);
    flex-shrink: 0;
}

/* Tactile Segmented Deck Switch Grid */
.sk-deck-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.55rem;
    background: #0d0f15;
    padding: 0.35rem;
    border-radius: 14px;
    box-shadow: 
        inset 2px 2px 6px rgba(0,0,0,0.8),
        inset -1px -1px 3px rgba(255,255,255,0.03),
        0 1px 0 rgba(255,255,255,0.06);
    border: 1px solid rgba(0,0,0,0.6);
}

/* Tactile Master Push Button (Copy Action) */
.sk-master-btn {
    position: relative;
    width: 100%;
    background: linear-gradient(145deg, #00f0ff 0%, #0088ff 55%, #0055dd 100%);
    color: #030712;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    padding: 0.8rem 1.25rem;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: all 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 
        0 8px 24px rgba(0, 190, 255, 0.32),
        6px 6px 16px rgba(0, 0, 0, 0.7),
        -4px -4px 12px rgba(255, 255, 255, 0.04),
        inset 1px 1px 2px rgba(255, 255, 255, 0.8),
        inset -2px -2px 4px rgba(0, 0, 0, 0.35);
}

.sk-master-btn:hover {
    background: linear-gradient(145deg, #2df3ff 0%, #1595ff 55%, #0066f5 100%);
    box-shadow: 
        0 10px 32px rgba(0, 240, 255, 0.45),
        7px 7px 18px rgba(0, 0, 0, 0.75),
        -4px -4px 14px rgba(255, 255, 255, 0.06),
        inset 1px 1px 3px rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
}

.sk-master-btn:active {
    transform: translateY(2px);
    background: linear-gradient(145deg, #00b0dd 0%, #0070d0 100%);
    box-shadow: 
        0 3px 10px rgba(0, 190, 255, 0.3),
        inset 3px 3px 7px rgba(0, 0, 0, 0.6),
        inset -1px -1px 3px rgba(255, 255, 255, 0.4);
}

/* LED Power Diode */
.led-diode {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #a7f3d0, #10b981 60%, #064e3b);
    box-shadow: 
        0 0 10px #10b981,
        0 0 20px rgba(16, 185, 129, 0.7),
        inset 1px 1px 1.5px rgba(255, 255, 255, 0.9),
        inset -1px -1px 1.5px rgba(0, 0, 0, 0.6);
    display: inline-block;
    animation: diodePulse 2.4s infinite ease-in-out;
}

@keyframes diodePulse {
    0%, 100% { opacity: 1; filter: drop-shadow(0 0 4px #10b981); }
    50% { opacity: 0.65; filter: drop-shadow(0 0 1px #10b981); }
}

/* Skeuomorphic Color Swatch Pod */
.color-slot {
    background: linear-gradient(145deg, #1a1e28, #13151d);
    border-radius: 12px;
    padding: 0.65rem 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 
        4px 4px 10px rgba(0,0,0,0.5),
        -2px -2px 6px rgba(255,255,255,0.02),
        inset 1px 1px 1px rgba(255,255,255,0.08);
}

/* Tactile Dial / Swatch Ring for native color input */
.color-dial-wrapper {
    position: relative;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #353c4e, #181b24);
    box-shadow: 
        3px 3px 7px rgba(0,0,0,0.6),
        -2px -2px 5px rgba(255,255,255,0.04),
        inset 1px 1px 1px rgba(255,255,255,0.3),
        inset -1px -1px 2px rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s ease;
}

.color-dial-wrapper:hover {
    transform: scale(1.05);
}

.color-dial-wrapper input[type="color"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.color-dial-core {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    box-shadow: 
        inset 1px 1px 2px rgba(255,255,255,0.5),
        inset -1px -1px 2px rgba(0,0,0,0.6),
        0 0 8px rgba(0,0,0,0.6);
    border: 1px solid rgba(0,0,0,0.4);
    pointer-events: none;
}

/* Skeuomorphic Logo Emblems */
.sk-emblem {
    width: 62px;
    height: 62px;
    border-radius: 16px;
    background: linear-gradient(145deg, #242a38, #141720);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        6px 6px 14px rgba(0,0,0,0.7),
        -4px -4px 10px rgba(255,255,255,0.03),
        inset 1.5px 1.5px 1.5px rgba(255,255,255,0.18),
        inset -1.5px -1.5px 2px rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    padding: 3px;
}

.sk-emblem::after {
    content: '';
    position: absolute;
    inset: 2px;
    border-radius: 14px;
    background: radial-gradient(circle at 40% 30%, rgba(0, 240, 255, 0.15), transparent 70%);
    pointer-events: none;
}

/* YouTube Channel Bar */
.yt-link-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    background: #11131a;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 
        inset 2px 2px 4px rgba(0,0,0,0.7),
        0 1px 0 rgba(255,255,255,0.06);
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    transition: all 0.2s ease;
}
.yt-link-badge:hover {
    color: var(--accent-cyan);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 
        inset 2px 2px 4px rgba(0,0,0,0.7),
        0 0 10px rgba(0, 240, 255, 0.25);
}

/* Skeuomorphic Info Bar & Icon */
.sk-info-bar {
    background: #0d0f15;
    border-radius: 10px;
    padding: 0.45rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 
        inset 2px 2px 5px rgba(0, 0, 0, 0.7),
        0 1px 0 rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.sk-info-icon-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #2c3344, #141721);
    box-shadow: 
        2px 2px 5px rgba(0, 0, 0, 0.7),
        -1px -1px 3px rgba(255, 255, 255, 0.04),
        inset 1px 1px 1px rgba(255, 255, 255, 0.25),
        inset -1px -1px 1.5px rgba(0, 0, 0, 0.8);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    flex-shrink: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 0;
}

.sk-info-icon-btn:hover {
    transform: scale(1.08);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.45), inset 1px 1px 2px rgba(255, 255, 255, 0.5);
}

.limit-tag {
    padding: 0.15rem 0.45rem;
    border-radius: 5px;
    transition: all 0.2s ease;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 700;
}

.limit-tag.active {
    background: rgba(0, 240, 255, 0.12);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 240, 255, 0.4);
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
}

.limit-tag.inactive {
    color: #556277;
    background: transparent;
    border: 1px solid transparent;
}

.sk-pill-tag.limit-reached {
    color: #ff2a85 !important;
    border-color: rgba(255, 42, 133, 0.6) !important;
    box-shadow: 0 0 12px rgba(255, 42, 133, 0.45), inset 1px 1px 3px rgba(0,0,0,0.6) !important;
    animation: limitPulse 1.6s infinite ease-in-out;
}

@keyframes limitPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.75; transform: scale(0.98); }
}

/* Tooltip Popup for (i) info icon */
.info-tooltip-container {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.info-tooltip-box {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 60;
    width: 280px;
    background: linear-gradient(150deg, #1f2330, #13161f);
    border: 1px solid rgba(0, 240, 255, 0.4);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    box-shadow: 
        0 14px 30px rgba(0, 0, 0, 0.85),
        0 0 20px rgba(0, 240, 255, 0.18),
        inset 1px 1px 1.5px rgba(255, 255, 255, 0.15);
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
    font-size: 0.73rem;
    line-height: 1.5;
}

.info-tooltip-container:hover .info-tooltip-box,
.info-tooltip-container.open .info-tooltip-box {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(3px);
}

/* Toast Popup (Skeuomorphic floating capsule) */
#toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    transform: translateY(5rem);
    opacity: 0;
    pointer-events: none;
    transition: all 0.28s cubic-bezier(0.2, 0.9, 0.2, 1);
    background: linear-gradient(145deg, #1e222e, #141720);
    border: 1px solid rgba(0, 240, 255, 0.5);
    border-radius: 16px;
    padding: 0.85rem 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 100;
    box-shadow: 
        0 12px 35px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(0, 240, 255, 0.25),
        inset 1px 1px 1px rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

#toast.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}