:root {
    --bg-color: #050507;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-hover-border: rgba(100, 100, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-color: #6366f1;
    /* Indigo */
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --accent-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --glass-blur: blur(12px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    background-clip: padding-box;
    /* Standard property fallback/compatibility */
}

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 40%);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    margin: 0;
    min-height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-secondary);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    padding: 20px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5, 5, 7, 0.8);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-brand i {
    color: var(--accent-color);
}

/* Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    backdrop-filter: var(--glass-blur);
    transition: var(--transition);
}

.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: var(--accent-glow);
    background: rgba(255, 255, 255, 0.05);
}

.tool-icon {
    font-size: 48px;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.3));
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.tool-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

/* Forms & Inputs */
.form-control {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 8px;
}

.form-control:focus {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
}

.btn-primary {
    background: var(--accent-gradient);
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--accent-glow);
    background: linear-gradient(135deg, #5558e6 0%, #9333ea 100%);
}

/* Info Section */
.info-section {
    margin-bottom: 24px;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

/* Footer */
.main-footer {
    margin-top: 80px;
    padding: 40px 0;
    border-top: 1px solid var(--card-border);
    text-align: center;
    color: var(--text-secondary);
}

.main-footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.main-footer a:hover {
    color: #a855f7;
    text-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

/* Badge */
.badge-custom {
    background: rgba(99, 102, 241, 0.1);
    color: #818cf8;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.85rem;
    font-weight: 500;
}

/* SEO Content Area */
.content-area {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--card-border);
}

.content-area h2 {
    font-size: 1.8rem;
    margin-top: 30px;
}

.content-area p {
    font-size: 1.05rem;
    margin-bottom: 20px;
}

/* Helper Classes */
.mb-4 {
    margin-bottom: 1.5rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

.text-center {
    text-align: center;
}