/* Base styles, resets, and typography */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* MODERN SAAS THEME - LIGHT */
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-highlight: #f8fafc;
    
    --text: #0f172a;
    --muted: #64748b;
    
    --primary: #4f46e5; /* Indigo 600 - sharper */
    --primary-hover: #4338ca;
    --primary-glow: rgba(79, 70, 229, 0.25);
    
    --border: #e2e8f0;
    --input-bg: #ffffff;
    
    --nav-bg: rgba(255, 255, 255, 0.85);

    --card-bg: rgba(255, 255, 255, 0.8);
    --panel-bg: #f8fafc;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.01);
    
    --radius: 12px;
    --radius-lg: 24px;
    
    --font-main: 'Plus Jakarta Sans', 'DM Sans', sans-serif;
    --font-body: 'DM Sans', 'Inter', sans-serif;
    
    --logo-gradient: linear-gradient(135deg, #0f172a 0%, #4f46e5 100%);
    
    /* Subtle mesh gradient for background */
    --bg-image-1: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    --bg-image-2: radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
}

:root {
    /* MODERN SAAS THEME - LIGHT */
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-highlight: #f1f5f9; /* Slate 100 for better contrast on white */
    
    --text: #0f172a;
    --muted: #64748b;
    
    --primary: #4f46e5; /* Indigo 600 - sharper */
    --primary-hover: #4338ca;
    --primary-glow: rgba(79, 70, 229, 0.25);
    
    --border: #e2e8f0;
    --input-bg: #ffffff;
    
    --nav-bg: rgba(255, 255, 255, 0.85);

    --card-bg: #ffffff;
    --panel-bg: #f8fafc;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.05), 0 8px 10px -6px rgb(0 0 0 / 0.01);
    
    --radius: 12px;
    --radius-lg: 24px;
    
    --font-main: 'Plus Jakarta Sans', 'DM Sans', sans-serif;
    --font-body: 'DM Sans', 'Inter', sans-serif;
    
    --logo-gradient: linear-gradient(135deg, #0f172a 0%, #4f46e5 100%);
    
    /* Subtle mesh gradient for background */
    --bg-image-1: radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    --bg-image-2: radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);

    /* Dynamic element variables */
    --ring-color: rgba(0, 0, 0, 0.1);
    --glass-surface: rgba(0, 0, 0, 0.03);
    --glass-border: rgba(0, 0, 0, 0.08);
    --bubble-ai-bg: #f1f5f9;
    --bubble-ai-text: #0f172a;
    --chip-bg: rgba(0, 0, 0, 0.05);
    --chip-hover: rgba(0, 0, 0, 0.1);
    --chip-text: #4b5563;
}

[data-theme="dark"] {
    /* MODERN SAAS THEME - DARK (high contrast) */
    --bg: #0b0b0f;
    --surface: #1c1d27;
    --surface-highlight: #282a36;
    
    --text: #f0f1f5;
    --muted: #9ca0b0;
    
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --primary-glow: rgba(139, 92, 246, 0.3);
    
    --border: rgba(255, 255, 255, 0.14);
    --input-bg: #21222e;
    
    --nav-bg: rgba(11, 11, 15, 0.88);

    --card-bg: rgba(255, 255, 255, 0.06);
    --panel-bg: rgba(255, 255, 255, 0.04);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
    
    --logo-gradient: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    
    --bg-image-1: radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    --bg-image-2: radial-gradient(circle at 85% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);

    /* Dynamic element variables */
    --ring-color: rgba(255, 255, 255, 0.14);
    --glass-surface: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.14);
    --bubble-ai-bg: rgba(255, 255, 255, 0.09);
    --bubble-ai-text: #e4e4e7;
    --chip-bg: rgba(255, 255, 255, 0.07);
    --chip-hover: rgba(255, 255, 255, 0.14);
    --chip-text: #d4d4d8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    background-color: var(--bg);
    font-family: "DM Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: geometricPrecision;
}

body {
    font-family: "DM Sans", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: geometricPrecision;
    background-color: var(--bg);
    background-image: var(--bg-image-1), var(--bg-image-2);
    color: var(--text);
    min-height: 100vh;
    padding: 92px 20px 32px;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
}

.header {
    margin-bottom: 32px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.header::after {
    content: "";
    position: absolute;
    inset: auto 0 -10px 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(17,24,39,0.06), transparent);
}

.header h1 {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(139, 92, 246, 0.2);
}

.header h1::after {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 12px var(--primary);
    display: inline-block;
    margin-left: 4px;
    margin-top: 8px;
}

.subtitle {
    color: var(--muted);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.6;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}