/* Custom CSS for Startup Agent Skills Hub Landing Page */

:root {
    /* Light Theme Variables (Default) */
    --bg-color: #f8fafc;
    --card-color: #ffffff;
    --card-hover-border: rgba(59, 130, 246, 0.5);
    
    /* WCAG AA Compliant Light Mode Texts */
    --text-primary: #0f172a;        /* Slate-900 */
    --text-secondary: #1e293b;      /* Slate-800 (Higher contrast) */
    --text-muted: #334155;          /* Slate-700 (Higher contrast) */
    
    --border-color: #cbd5e1;
    --border-card: #cbd5e1;
    --shadow-card: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --glow-opacity-scale: 0.4;
    --terminal-bg: #f1f5f9;
    --header-bg: rgba(248, 250, 252, 0.8);
    --workflow-panel-bg: rgba(255, 255, 255, 0.9);
    --workflow-step-bg: #f1f5f9;

    --accent-blue: #1d4ed8;
    --accent-purple: #7e22ce;
    --accent-pink: #be185d;
    --accent-green: #047857;
}

html.dark {
    /* Dark Theme Variables */
    --bg-color: #090a0f;
    --card-color: #121420;
    --card-hover-border: rgba(59, 130, 246, 0.3);
    
    /* WCAG AA Compliant Dark Mode Texts */
    --text-primary: #f8fafc;        /* Slate-50 (Contrast > 15:1) */
    --text-secondary: #cbd5e1;      /* Slate-300 (Contrast > 6.5:1) */
    --text-muted: #94a3b8;          /* Slate-400 (Contrast of 4.8:1 on #121420) */
    
    --border-color: rgba(51, 65, 85, 0.5);
    --border-card: rgba(51, 65, 85, 0.4);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --glow-opacity-scale: 1.0;
    --terminal-bg: rgba(0, 0, 0, 0.4);
    --header-bg: rgba(9, 10, 15, 0.7);
    --workflow-panel-bg: rgba(18, 20, 32, 0.7);
    --workflow-step-bg: rgba(0, 0, 0, 0.4);

    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    --accent-pink: #ec4899;
    --accent-green: #10b981;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Animations */
@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.05);
    }
}

.animate-pulse-slow {
    animation: pulseGlow 6s infinite ease-in-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Workflow Navigation Tabs Style */
.workflow-tab-btn {
    background: var(--card-color);
    border-color: var(--border-card);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.workflow-tab-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-purple);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.15);
}

.workflow-tab-btn.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(168, 85, 247, 0.1));
    border-color: var(--accent-purple);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.25);
}

/* Flow Step Card Hover */
.flow-step-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--workflow-step-bg);
    border-color: var(--border-card);
}

.flow-step-card:hover {
    transform: translateY(-5px);
    border-color: var(--card-hover-border);
    box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.3);
}

/* Tag filter buttons styling */
.tag-filter-btn {
    background: var(--card-color);
    border-color: var(--border-card);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.tag-filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
}

.tag-filter-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

/* Skills card transition */
.skill-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: var(--card-color);
    border-color: var(--border-card);
    box-shadow: var(--shadow-card);
}

.skill-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-hover-border);
    box-shadow: 0 20px 40px -15px rgba(168, 85, 247, 0.2);
}

/* Toast alert notification style */
.toast-alert {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--card-color);
    border: 1px solid var(--accent-green);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 14px;
    box-shadow: var(--shadow-card);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
}

.toast-alert.show {
    transform: translateY(0);
    opacity: 1;
}