/* PassPerscriber - Dark Minimalist Theme */

:root {
    --bg-dark: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #252525;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --accent-primary: #4CAF50;
    --accent-secondary: #66BB6A;
    --border-color: #333333;
    --danger: #f44336;
    --warning: #ff9800;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header and Navigation */
header {
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--accent-primary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: block;
}

nav a:hover {
    color: var(--accent-primary);
    background-color: var(--bg-card);
}

nav a.active {
    color: var(--accent-primary);
    background-color: var(--bg-card);
    font-weight: 600;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem 4rem 2rem;
    width: 100%;
}

.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

h1, h2, h3, h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    border-bottom: 2px solid var(--accent-primary);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 8px 16px rgba(76, 175, 80, 0.2);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* Generator Tool */
.generator-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.password-display {
    background-color: var(--bg-dark);
    border: 2px solid var(--accent-primary);
    border-radius: 8px;
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 1.5rem;
    word-break: break-all;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.controls {
    margin: 1.5rem 0;
}

.control-group {
    margin-bottom: 1.5rem;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--bg-dark);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.length-value {
    min-width: 40px;
    text-align: center;
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

/* Buttons */
button, .btn {
    background-color: var(--accent-primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

button:hover, .btn:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.3);
}

button:active, .btn:active {
    transform: translateY(0);
}

button:disabled {
    background-color: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.btn-secondary {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-card);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
}

thead {
    background-color: var(--bg-secondary);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--accent-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background-color: var(--bg-dark);
}

.weak-example {
    color: var(--danger);
    font-family: monospace;
}

.strong-example {
    color: var(--accent-primary);
    font-family: monospace;
}

/* Forms */
form {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.radio-group,
.checkbox-group-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

input[type="radio"] {
    margin-right: 0.5rem;
    accent-color: var(--accent-primary);
}

/* Quiz Styles */
.quiz-question {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--accent-primary);
}

.quiz-question h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.quiz-results {
    background-color: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
    text-align: center;
    display: none;
}

.quiz-results.show {
    display: block;
}

.quiz-score {
    font-size: 3rem;
    color: var(--accent-primary);
    font-weight: 700;
    margin: 1rem 0;
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    margin: 2rem 0;
    border-radius: 8px;
    background-color: var(--bg-dark);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Lists */
ul, ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.feature-list {
    list-style: none;
    margin-left: 0;
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: "✓";
    color: var(--accent-primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Links */
a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.external-link::after {
    content: " ↗";
    font-size: 0.8em;
}

/* Alerts and Messages */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin: 1rem 0;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
    }
    
    nav a {
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    th, td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    main {
        padding: 0 1rem;
    }
    
    .generator-container,
    .card {
        padding: 1rem;
    }
    
    .password-display {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    button, .btn {
        width: 100%;
    }
}