/* Centralized Premium Stylesheet for VARUNAH Smart Home */

/* 1. Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* 2. Base Theme Variables & Standard Styles */
:root {
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    /* Light Mode Palette */
    --color-homeBg: #f8fafc;
    --color-panelBg: #ffffff;
    --color-panelBorder: #e2e8f0;
    --color-textMain: #0f172a;
    --color-textMuted: #64748b;
    --color-brandAccent: #10b981;
    --color-brandHover: #059669;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(226, 232, 240, 0.8);
    --glow-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
}

.dark {
    /* Dark Mode Palette */
    --color-homeBg: #0b0f19;
    --color-panelBg: #151c2c;
    --color-panelBorder: #222f47;
    --color-textMain: #f1f5f9;
    --color-textMuted: #94a3b8;
    --glass-bg: rgba(21, 28, 44, 0.7);
    --glass-border: rgba(34, 47, 71, 0.6);
    --glow-shadow: 0 0 25px rgba(16, 185, 129, 0.35);
}

/* 3. Global Base Application Rules */
body {
    font-family: var(--font-sans);
    background-color: var(--color-homeBg);
    color: var(--color-textMain);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 4. Sleek Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-homeBg);
}
::-webkit-scrollbar-thumb {
    background: var(--color-panelBorder);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-textMuted);
}

/* 5. Custom Animations & Glow Effects */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 25px rgba(16, 185, 129, 0.6);
        transform: scale(1.02);
    }
}

.animate-glow {
    animation: pulse-glow 3s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 4s infinite ease-in-out;
}

/* 6. Premium Glassmorphic Cards & Headers */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.glass-card:hover {
    border-color: rgba(16, 185, 129, 0.3);
}

.glass-nav {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* 7. Modern Inputs, Sliders, & Interactive Toggles */
input[type=range].modern-slider {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}
input[type=range].modern-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: var(--color-brandAccent);
    cursor: pointer;
    margin-top: -6px;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
    transition: transform 0.15s ease, background-color 0.15s ease;
}
input[type=range].modern-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--color-brandHover);
}
input[type=range].modern-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    cursor: pointer;
    background: var(--color-panelBorder);
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

/* Form floating focus glow styling */
.modern-input {
    background-color: var(--color-panelBg);
    border: 1px solid var(--color-panelBorder);
    color: var(--color-textMain);
    transition: all 0.2s ease-in-out;
}
.modern-input:focus {
    outline: none;
    border-color: var(--color-brandAccent);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* 8. Utility Classes mapped to CSS variables */
.bg-home-bg { background-color: var(--color-homeBg); }
.bg-panel-bg { background-color: var(--color-panelBg); }
.border-panel-border { border-color: var(--color-panelBorder); }

/* Automated Glassmorphism for existing classes */
.bg-panelBg {
    background-color: var(--glass-bg) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
}
.border-panelBorder {
    border-color: var(--glass-border) !important;
}
.sticky.top-0 {
    background-color: var(--glass-bg) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid var(--glass-border) !important;
}

.accent-glow-button {
    background-color: var(--color-brandAccent);
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.4);
    transition: all 0.2s ease-in-out;
}
.accent-glow-button:hover {
    background-color: var(--color-brandHover);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.6);
    transform: translateY(-1px);
}