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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --danger-color: #ef4444;
}

body.light-mode {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--card-bg) 50%, var(--bg-color) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.apply-page,
.about-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

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

.header-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.language-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.language-toggle:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

.apply-form-card {
    background: var(--card-bg);
    border-radius: 25px;
    padding: 50px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.6s ease;
}

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

.apply-header .apply-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

.apply-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.apply-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.apply-form {
    margin-bottom: 40px;
}

.platform-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    padding: 20px;
    background: rgba(15, 23, 42, 0.3);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.platform-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.platform-checkbox:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-color);
}

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

.platform-icon-small {
    font-size: 1.5rem;
    display: inline-block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
}

.platform-icon-small svg {
    width: 100%;
    height: 100%;
    max-width: 30px;
    max-height: 30px;
}

.platform-icon-small i {
    font-size: 1.2rem;
}

.platform-url-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 15px;
    background: rgba(15, 23, 42, 0.3);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.platform-url-group label {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.platform-url-group input {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.platform-url-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.category-radios {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    padding: 20px;
    background: rgba(15, 23, 42, 0.3);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.category-radio {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.category-radio:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-color);
}

.category-radio input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.apply-tips {
    background: rgba(99, 102, 241, 0.1);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid var(--primary-color);
}

.apply-tips h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.apply-tips ul {
    list-style: none;
    padding: 0;
}

.apply-tips li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-secondary);
}

.apply-tips li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.about-section {
    background: var(--card-bg);
    border-radius: 25px;
    padding: 40px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.6s ease;
}

.about-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-card {
    background: rgba(99, 102, 241, 0.1);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.guide-steps {
    display: grid;
    gap: 20px;
    margin-top: 30px;
}

.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.disclaimer {
    background: rgba(239, 68, 68, 0.1);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--danger-color);
}

.disclaimer p {
    padding: 8px 0;
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
}

.disclaimer p:last-child {
    border-bottom: none;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    border: 1px solid var(--primary-color);
}

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

.login-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: fadeInUp 0.6s ease;
}

.login-box {
    background: var(--card-bg);
    border-radius: 25px;
    padding: 50px 40px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

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

.logo-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

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

.error-message {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    padding: 12px 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 500;
    animation: shake 0.5s ease;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 15px 20px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.5);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.login-btn {
    padding: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

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

.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 40px 25px;
    }
    
    .logo-icon {
        font-size: 2.5rem;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
}