* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Trust-focused Blue + Green scheme */
    --bg-dark: #0a1628;
    --bg-card: #0f2137;
    --text-primary: #ffffff;
    --text-secondary: #8b9cb8;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.3);

    /* Strength meter colors */
    --strength-weak: #ef4444;
    --strength-fair: #f59e0b;
    --strength-good: #eab308;
    --strength-strong: #22c55e;
    --strength-very-strong: #10b981;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 40px 20px;
    background-image:
        radial-gradient(ellipse at top, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

main {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Password Display */
.password-display {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#password-output {
    flex: 1;
    background: var(--bg-dark);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 1.1rem;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#password-output:focus {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

#copy-btn {
    background: var(--accent);
    border: none;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    color: white;
    transition: transform 0.2s, box-shadow 0.2s;
}

#copy-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px var(--accent-glow);
}

#copy-btn:active {
    transform: scale(0.95);
}

/* Strength Meter */
.strength-section {
    margin-bottom: 25px;
}

.strength-meter {
    height: 8px;
    background: var(--bg-dark);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 4px;
    transition: width 0.5s ease, background 0.5s ease;
    box-shadow: 0 0 10px currentColor;
}

.strength-fill.score-1 { width: 20%; background: var(--strength-weak); }
.strength-fill.score-2 { width: 40%; background: var(--strength-fair); }
.strength-fill.score-3 { width: 60%; background: var(--strength-good); }
.strength-fill.score-4 { width: 80%; background: var(--strength-strong); }
.strength-fill.score-5 { width: 100%; background: var(--strength-very-strong); }

.strength-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.strength-text {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: capitalize;
}

.strength-text.score-1 { color: var(--strength-weak); }
.strength-text.score-2 { color: var(--strength-fair); }
.strength-text.score-3 { color: var(--strength-good); }
.strength-text.score-4 { color: var(--strength-strong); }
.strength-text.score-5 { color: var(--strength-very-strong); }

.crack-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Type Selector */
.type-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 25px;
}

.type-btn {
    background: var(--bg-dark);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px 10px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.type-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.type-btn.active {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

.type-icon {
    font-size: 1.5rem;
}

.type-name {
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 600;
}

.type-desc {
    color: var(--text-secondary);
    font-size: 0.65rem;
}

/* Options */
.options {
    margin-bottom: 25px;
}

.option-group {
    margin-bottom: 15px;
}

.option-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.option-group label span {
    color: var(--accent);
    font-weight: 600;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-dark);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
    transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Generate Button - Green for action/safety */
.generate-btn {
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.generate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-green-glow);
}

.generate-btn:hover::before {
    left: 100%;
}

.generate-btn:active {
    transform: translateY(0);
}

/* Stats */
.stats {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 30px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

footer p {
    margin-bottom: 5px;
}

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

footer a:hover {
    text-decoration: underline;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--strength-strong);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Trust Section */
.trust-section {
    margin-top: 50px;
    text-align: center;
}

.trust-section h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.trust-item {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 25px 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s, border-color 0.3s;
}

.trust-item:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.4);
}

.trust-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 15px;
}

.trust-item h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.trust-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Features Section */
.features-section {
    margin-top: 50px;
    background: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.features-section h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.features-list {
    list-style: none;
}

.features-list li {
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.features-list li:last-child {
    border-bottom: none;
}

/* API Section */
.api-section {
    margin-top: 50px;
}

.api-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(108, 92, 231, 0.1) 100%);
    border-radius: 20px;
    padding: 40px 30px;
    border: 2px solid var(--accent);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.api-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.api-badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.api-card h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.api-card > p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.api-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

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

.api-feature strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
}

.api-feature span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.api-code {
    background: var(--bg-dark);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    overflow-x: auto;
}

.api-code code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: var(--strength-very-strong);
    white-space: pre;
    text-align: left;
    display: block;
}

.api-pricing {
    margin-bottom: 20px;
}

.api-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.api-price-note {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.api-buy-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
    color: white;
    text-decoration: none;
    padding: 16px 40px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.api-buy-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--accent-green-glow);
}

.api-docs-link {
    display: block;
    margin-top: 15px;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.api-docs-link:hover {
    text-decoration: underline;
}

/* FAQ Section */
.faq-section {
    margin-top: 50px;
}

.faq-section h2 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--text-primary);
    text-align: center;
}

.faq-item {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px 25px;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-item h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.faq-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer Links */
.footer-links {
    margin-top: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    margin: 0 5px;
}

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

/* Responsive */
@media (max-width: 500px) {
    .type-selector {
        grid-template-columns: repeat(2, 1fr);
    }

    h1 {
        font-size: 1.5rem;
    }

    #password-output {
        font-size: 0.9rem;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }

    .api-features {
        flex-direction: column;
        gap: 15px;
    }

    .api-price {
        font-size: 2.5rem;
    }

    .api-code code {
        font-size: 0.7rem;
    }
}