:root {
    /* Primary Color - Main Blue */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    
    /* Secondary Color - Dark Gray */
    --color-secondary: #1e293b;
    --color-secondary-dark: #0f172a;
    --color-secondary-light: #334155;
    
    /* Accent Color - Warm Amber */
    --color-accent: #f59e0b;
    --color-accent-dark: #d97706;
    --color-accent-light: #fbbf24;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-bg-light: #f1f5f9;
    --color-bg-dark: #1e293b;
    
    /* Text Colors */
    --color-text-primary: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-white: #ffffff;
    
    /* Borders & Shadows */
    --color-border: #e2e8f0;
    --color-shadow: rgba(0, 0, 0, 0.1);
}

/* Global Application */
body {
    color: var(--color-text-primary);
    background-color: var(--color-bg-light);
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: var(--color-accent-dark);
}

/* Links */
a {
    color: var(--color-primary);
}

a:hover {
    color: var(--color-accent);
}

/* Header */
header,
.header {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

/* Footer */
footer,
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

/* Cards */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
}

.card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 6px var(--color-shadow);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-secondary);
}

/* Highlight Elements */
.highlight,
.badge-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Navigation */
.nav-link {
    color: var(--color-white);
}

.nav-link:hover {
    color: var(--color-accent);
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    color: var(--color-text-primary);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

/* Tool Cards */
.tool-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.tool-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px var(--color-shadow);
    transform: translateY(-2px);
}

/* Success Messages */
.success {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Error Messages */
.error {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* Mobile Menu */
.mobile-menu {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.mobile-menu a {
    color: var(--color-white);
}

.mobile-menu a:hover {
    color: var(--color-accent);
}