/* Black & White Theme for Prank Mailer */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e8e8e8;
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-muted: #666666;
    --accent-dark: #1a1a1a;
    --accent-dark-hover: #000000;
    --accent-medium: #4d4d4d;
    --accent-light: #999999;
    --border-color: #d0d0d0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background-color: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-secondary);
}

html {
    scroll-behavior: smooth;
}

body.terminal-bg {
    background: linear-gradient(135deg, #f0f0f0 0%, #d8d8d8 100%);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 1rem;
    margin: 0;
    min-height: 100vh;
    padding: 20px;
}

.terminal-window {
    max-width: 900px;
    margin: 40px auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.terminal-header {
    background: linear-gradient(135deg, #000000 0%, #333333 100%);
    color: white;
    padding: 16px 24px;
    font-weight: 600;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.prompt-title {
    font-family: inherit;
}

.prompt-blink {
    animation: blink 1s steps(1) infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.terminal-body {
    padding: 24px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.terminal-intro {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 28px;
    font-family: inherit;
    white-space: pre-line;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid #000000;
    font-weight: 500;
}

.terminal-section {
    margin-bottom: 24px;
    border-left: 4px solid #000000;
    padding: 20px;
    border-radius: 8px;
    background: var(--bg-secondary);
}

.section-label {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: block;
    font-family: inherit;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.section-header .section-label {
    margin-bottom: 0;
}

.random-btn {
    background: #000000;
    border: none;
    color: white;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.random-btn:hover {
    background: #333333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-option {
    display: flex;
    align-items: center;
    padding: 14px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.checkbox-option:hover {
    border-color: #000000;
    background: var(--bg-secondary);
    transform: translateX(3px);
}

.checkbox-option:has(input:checked) {
    border-color: #000000;
    border-width: 2px;
    background: #f5f5f5;
    box-shadow: var(--shadow-sm);
}

.checkbox-option:has(input:checked)::before {
    content: '✓';
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #000000;
    font-size: 20px;
    font-weight: bold;
}

.checkbox-option input[type="checkbox"] {
    margin-right: 12px;
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: #000000;
}

.checkbox-option span {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.checkbox-option small {
    display: block;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-top: 4px;
    font-weight: 400;
}

#customEmail {
    margin-left: 10px;
    padding: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    font-family: inherit;
}

#customEmail:focus {
    outline: none;
    border-color: #000000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.email-templates {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 18px;
}

.email-option {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.email-option:hover {
    border-color: #000000;
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.prank-button {
    background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    border: none;
    border-bottom: 3px solid rgba(0,0,0,0.2);
    color: white;
    padding: 18px 16px;
    text-align: left;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 10px;
}

.prank-button:hover {
    background: linear-gradient(135deg, #333333 0%, #1a1a1a 100%);
    padding-left: 20px;
}

.prank-button:focus {
    outline: 2px solid #000000;
    outline-offset: 2px;
}

.prank-button:active,
.email-option.selected .prank-button {
    background: linear-gradient(135deg, #4d4d4d 0%, #333333 100%);
    transform: scale(0.98);
}

.email-option.selected {
    border-color: #000000;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.email-option.selected .email-preview {
    color: var(--text-primary);
    font-weight: 500;
}

.email-preview {
    background: var(--bg-primary);
    border: none;
    padding: 14px 16px;
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    font-style: normal;
    min-height: 50px;
    display: flex;
    align-items: center;
    font-family: inherit;
    line-height: 1.5;
}

.email-option:hover .email-preview {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

#recommendedEmails {
    margin-top: 10px;
}

.recommended-email {
    display: flex;
    align-items: center;
    padding: 14px;
    background: #f0f0f0;
    border: 2px solid #666666;
    border-radius: 8px;
    margin-top: 10px;
}

.recommended-email input[type="checkbox"] {
    margin-right: 12px;
    cursor: pointer;
    width: 20px;
    height: 20px;
    accent-color: #000000;
}

.recommended-email span {
    flex: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.recommended-email small {
    display: block;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-top: 4px;
    font-weight: 400;
}

/* Responsive Design */
@media (max-width: 800px) {
    .terminal-window {
        max-width: 99vw;
        margin: 20px auto;
    }
    
    .terminal-body {
        padding: 16px;
    }
    
    .email-templates {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .random-btn {
        width: 100%;
        padding: 12px 20px;
    }
}

@media (max-width: 480px) {
    body.terminal-bg {
        padding: 10px;
    }
    
    .terminal-window {
        margin: 10px auto;
    }
    
    .terminal-header {
        font-size: 1.1rem;
        padding: 12px 16px;
    }
    
    .terminal-body {
        padding: 12px;
    }
    
    .terminal-intro {
        font-size: 1.1rem;
        padding: 16px;
    }
    
    .prank-button {
        font-size: 15px;
        padding: 16px 14px;
    }
    
    .email-preview {
        font-size: 12px;
        padding: 12px;
    }
}


@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.8em;
    }
    
    .email-templates {
        grid-template-columns: 1fr;
    }
}