/* JetBrains Mono Font - Embedded */
@font-face {
    font-family: 'JetBrains Mono';
    src: url('../fonts/JetBrainsMono-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('../fonts/JetBrainsMono-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url('../fonts/JetBrainsMono-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

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

/* Dark Color Palette */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-yellow: #d29922;
    --accent-red: #f85149;
    --accent-purple: #bc8cff;
}

/* Base Styles */
body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    padding: 1rem;
}

code {
    background-color: var(--base02);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

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

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 1rem;
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

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

/* Main Content */
.main-content {
    display: grid;
    gap: 2rem;
}

/* Card */
.card {
    background-color: var(--bg-secondary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-green);
    margin-bottom: 1.5rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.input-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--base01);
    margin-top: 0.5rem;
    font-style: italic;
}

.email-input-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.email-input-left,
.email-input-right {
    position: relative;
}

.email-input-left .input {
    width: 100%;
}

.email-input-right .input {
    width: 100%;
}

.input,
.textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

select.input {
    cursor: pointer;
}

.input:focus,
.textarea:focus,
select.input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

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

/* Radio & Checkbox Groups */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.9rem;
}

input[type="radio"],
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    width: 100%;
    background-color: var(--accent-blue);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(63, 185, 80, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
    transform: translateY(-2px);
}

.button-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Mode Sections */
.mode-section {
    transition: all 0.3s ease;
}

.hidden {
    display: none;
}

/* Results Section */
.results-section {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.results-container {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    max-height: 500px;
    overflow-y: auto;
}

.result-item {
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    color: var(--accent-green);
    font-size: 0.9rem;
    word-break: break-all;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 4px;
    position: relative;
    display: flex;
    gap: 0.5rem;
}

.result-number {
    color: var(--accent-blue);
    font-weight: 600;
    min-width: 2rem;
    flex-shrink: 0;
}

.result-item:hover {
    background-color: var(--bg-secondary);
    transform: translateX(4px);
}

.result-item:active {
    transform: scale(0.98);
}

.result-item.copied {
    background-color: var(--accent-blue);
    color: #000;
    animation: copyPulse 0.5s ease;
}

.result-item.copied .result-number {
    color: #000;
}

@keyframes copyPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
    }
}

.notification-btn {
    min-width: 120px;
}

/* Results Summary */
.results-summary {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.summary-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: 0.75rem;
}

.summary-item {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.summary-label {
    color: var(--accent-yellow);
    font-weight: 500;
    min-width: 90px;
}

.summary-value {
    color: var(--accent-green);
}

.summary-divider {
    color: var(--border-color);
    margin-top: 0.75rem;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

/* Scrollbar Styling */
.results-container::-webkit-scrollbar {
    width: 8px;
}

.results-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.results-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.results-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .button-group {
        width: 100%;
    }
    
    .btn-secondary {
        flex: 1;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0.5rem;
    }
    
    .header {
        padding: 1rem 0.5rem;
    }
    
    .title {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .radio-group,
    .checkbox-group {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .email-input-wrapper {
        grid-template-columns: 1fr;
    }
}