@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
/*These two fonts are essential. Only use them in the future.*/
@import url('https://fonts.googleapis.com/css2?family=Cal+Sans&family=Space+Grotesk:wght@300..700&display=swap');

/* CSS Variables */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-light: #f5f5f5;
    --color-gray-medium: #e0e0e0;
    --color-gray-dark: #333333;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 8px;
    --border-radius-pill: 50px;
    --border-radius-circle: 50%;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --transition: all 0.2s ease-in-out;
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-modal: 0 10px 40px rgba(0, 0, 0, 0.2);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
    font-size: 16px;
      font-family: "Cal Sans", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

/* Header Styles */
.header {
    text-align: left;
    margin-bottom:1rem;
    padding: var(--spacing-xl) 0;
}

.main-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-gray-dark);
    margin-bottom: 0;
}

.benefits-note {
    background-color: var(--color-gray-light);
    border: 1px solid var(--color-gray-medium);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
    text-align: center;
}

.benefits-note p {
    font-size: 16px;
    color: var(--color-gray-dark);
    margin: 0;
    line-height: 1.5;
}

.openthreads-link {
    color: var(--color-black);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--color-black);
    transition: var(--transition);
}

.openthreads-link:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 2px 4px;
    margin: -2px -4px;
    border-radius: 3px;
}

.github-link {
    color: var(--color-black);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--color-black);
    transition: var(--transition);
}

.github-link:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 2px 4px;
    margin: -2px -4px;
    border-radius: 3px;
}

/* Form Container */
.form-container {
    background-color: var(--color-white);
    border: 2px solid var(--color-black);
    border-radius: var(--border-radius);
    font-family: "Space Grotesk", sans-serif;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-subtle);
}

/* Form Styles */
.application-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 16px;
    background-color: var(--color-white);
    color: var(--color-black);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-dark);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Tag Input Styles */
.tag-input-container {
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    min-height: 60px;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: flex-start;
    transition: var(--transition);
}

.tag-input-container:focus-within {
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.tags-display {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    flex: 1;
}

.tag {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-pill);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    animation: tagAppear 0.2s ease-out;
}

@keyframes tagAppear {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.tag-remove {
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-circle);
    transition: var(--transition);
}

.tag-remove:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.tag-input {
    border: none;
    outline: none;
    font-family: var(--font-family);
    font-size: 16px;
    background: transparent;
    color: var(--color-black);
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm) 0;
}

.tag-input::placeholder {
    color: var(--color-gray-dark);
}

/* Skills Suggestions */
.skills-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-sm);
}

.suggestion-label {
    font-size: 12px;
    color: var(--color-gray-dark);
    font-weight: 500;
    margin-right: var(--spacing-sm);
}

.skill-suggestion {
    background-color: var(--color-gray-light);
    border: 1px solid var(--color-gray-medium);
    color: var(--color-black);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-pill);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.skill-suggestion:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

/* Error Messages */
.error-message {
    font-size: 14px;
    color: var(--color-black);
    font-weight: 500;
    min-height: 20px;
    opacity: 0;
    transition: var(--transition);
}

.error-message.show {
    opacity: 1;
}

.form-input.error,
.form-textarea.error,
.tag-input-container.error {
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.2);
}

/* Submit Button */
.submit-btn {
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-pill);
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 56px;
    margin-top: var(--spacing-lg);
}

.submit-btn:hover:not(:disabled) {
    background-color: var(--color-gray-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-subtle);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Loading Spinner */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--color-white);
    border-radius: var(--border-radius-circle);
    animation: spin 1s linear infinite;
    display: none;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .loading-spinner {
    display: block;
}

/* Success Overlay */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.success-overlay.show {
    opacity: 1;
    visibility: visible;
}

.success-modal {
    background-color: var(--color-white);
    border: 2px solid var(--color-black);
    border-radius: var(--border-radius);
    padding: var(--spacing-xxl);
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-modal);
    transform: translateY(20px);
    transition: var(--transition);
}

.success-overlay.show .success-modal {
    transform: translateY(0);
}

.success-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-circle);
    background-color: var(--color-black);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.success-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.success-message {
    font-size: 16px;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.success-btn {
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-pill);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.success-btn:hover {
    background-color: var(--color-gray-dark);
    transform: translateY(-1px);
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.action-btn {
    background-color: var(--color-black);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-pill);
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.action-btn:hover {
    background-color: var(--color-gray-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-subtle);
}

.github-btn {
    background-color: var(--color-black);
}

.review-btn {
    background-color: var(--color-gray-dark);
}

.secondary-btn {
    background-color: transparent;
    color: var(--color-gray-dark);
    border: 1px solid var(--color-gray-medium);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-pill);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-btn:hover {
    background-color: var(--color-gray-light);
    border-color: var(--color-gray-dark);
}

/* Footer */
.footer {
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-gray-medium);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-content p {
    font-size: 14px;
    color: var(--color-gray-dark);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-link {
    font-size: 14px;
    color: var(--color-gray-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-link:hover {
    color: var(--color-black);
}

.footer-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.github-logo {
    width: 16px;
    height: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .main-title {
        font-size: 36px;
    }
    
    .form-container {
        padding: var(--spacing-lg);
    }
    
    .tag-input {
        min-width: 150px;
    }
    
    .skills-suggestions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .suggestion-label {
        margin-bottom: var(--spacing-xs);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .main-title {
        font-size: 28px;
    }
    
    .form-container {
        padding: var(--spacing-md);
    }
    
    .success-modal {
        padding: var(--spacing-xl);
    }
    
    .tag-input {
        min-width: 120px;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-gray-medium: #999999;
        --color-gray-dark: #000000;
    }
    
    .form-input,
    .form-textarea,
    .tag-input-container {
        border-width: 3px;
    }
    
    .skill-suggestion {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}