/* Core Global Theme Variables Design Framework Sheets */
:root {
    --bg-base: #0f172a;
    --orb-color-1: rgba(99, 102, 241, 0.4);
    --orb-color-2: rgba(236, 72, 153, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --toolbar-bg: rgba(15, 23, 42, 0.6);
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --input-bg: rgba(255, 255, 255, 0.05);
}

/* Day/Light Mode Variations Parameter Engine Modifiers */
[data-theme="light"] {
    --bg-base: #f1f5f9;
    --orb-color-1: rgba(59, 130, 246, 0.15);
    --orb-color-2: rgba(168, 85, 247, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(0, 0, 0, 0.08);
    --toolbar-bg: rgba(255, 255, 255, 0.4);
    --text-primary: #0f172a;
    --text-muted: #64748b;
    --input-bg: rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background 0.3s ease, border-color 0.3s ease, color 0.2s ease;
}

body {
    background-color: var(--bg-base);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

/* Ambient Floating Background Orbs Animations */
.bg-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    animation: floatAnimation 12s infinite alternate ease-in-out;
}

.orb-1 {
    width: 450px;
    height: 450px;
    background: var(--orb-color-1);
    top: -10%;
    left: -10%;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--orb-color-2);
    bottom: -15%;
    right: -10%;
    animation-delay: -4s;
}

@keyframes floatAnimation {
    0% { transform: translateY(0px) scale(1); }
    100% { transform: translateY(40px) scale(1.1); }
}

/* Premium Glassmorphism Shell Container Box Workspaces */
.notepad-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    width: 100%;
    max-width: 1100px;
    height: 88vh;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

/* Tier 1 Primary Top Toolbar Layout Styling */
.toolbar-primary {
    background: var(--toolbar-bg);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.action-cluster {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Tier 2 Pro Processing Control Sub-Bar Panel layout */
.toolbar-secondary {
    background: rgba(0, 0, 0, 0.08);
    padding: 10px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.control-segment {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Modular Control Elements Interface Shapes */
.dropdown-control {
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    outline: none;
    cursor: pointer;
    font-weight: 500;
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
}

.slider-wrapper input[type="range"] {
    cursor: pointer;
    accent-color: var(--accent-blue);
    width: 100px;
}

/* UI Action Button Profiles Base Classes */
.btn {
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-utility { background: var(--input-bg); color: var(--text-primary); border: 1px solid var(--glass-border); }
.btn-utility:hover { background: rgba(255,255,255,0.15); }

.btn-danger { background: var(--accent-rose); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.btn-success { background: var(--accent-blue); color: #fff; }
.btn-success:hover { opacity: 0.9; }

.btn-premium { background: linear-gradient(135deg, #a855f7, #ec4899); color: #fff; }
.btn-premium:hover { filter: brightness(1.1); }

/* Advanced Automation Search Panel Items Box */
.find-replace-panel {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-input {
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
    color: var(--text-primary);
    width: 130px;
}

.btn-action-small {
    background: var(--text-primary);
    color: var(--bg-base);
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}

/* Workspace Text Editor Base Layout Boundaries */
.editor-wrapper {
    flex: 1;
    width: 100%;
    position: relative;
}

.text-editor {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    resize: none;
    outline: none;
    padding: 30px;
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 18px;
}

/* Status Bar Metrics Alignment System Elements */
.status-bar {
    background: var(--toolbar-bg);
    padding: 12px 24px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.metrics-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.metric-tag strong {
    color: var(--text-primary);
}

.metric-separator {
    color: var(--glass-border);
}

.pulse-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pulse-indicator::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-emerald);
}