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

:root {
    --primary-pink: #ff4d94;
    --dark-bg: #0a0a0a;
    --off-white: #fafafa;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --border-light: #e5e5e5;
    --success-green: #4ade80;
    --error-red: #ef4444;
    --warning-yellow: #fbbf24;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 50%, #ff4d94 100%);
    min-height: 100vh;
    color: #ffffff;
    overflow-x: hidden;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header.scrolled {
    padding: 16px 5%;
    background: rgba(10, 10, 10, 0.98);
}

.logo {
    font-size: 28px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: -0.5px;
}

.logo .white-text {
    color: white;
}

.logo .pink-text {
    color: var(--primary-pink);
}

.logo:hover {
    transform: translateX(5px);
}

/* Buttons */
.auth-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    padding: 12px 28px;
    border-radius: 50px;
    border: none;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
}

.btn-ghost {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-primary {
    background: white;
    color: var(--text-dark);
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* Main Container */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 40px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
    min-height: calc(100vh - 120px);
}

/* Left Section - Welcome Text */
.welcome-section {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(255, 77, 148, 0.1), rgba(255, 107, 157, 0.1));
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 77, 148, 0.3);
}

.main-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff, #ff4d94);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.features-list {
    list-style: none;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.feature-item::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #ff4d94, #ff6b9d);
    border-radius: 50%;
    margin-right: 15px;
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
}

/* Right Section - Form */
.form-section {
    flex: 1;
    max-width: 500px;
    width: 100%;
}

.form-container {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.form-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #ffffff;
}

.form-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 25px;
}

label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 0.95rem;
    display: block;
}

input {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    font-family: inherit;
}

input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

input:focus {
    outline: none;
    border-color: #ff4d94;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 77, 148, 0.15);
}

.password-container {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 5px;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: rgba(255, 255, 255, 0.8);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid rgba(239, 68, 68, 0.3);
    font-size: 0.9rem;
    display: none;
    text-align: center;
}

.error-message.show {
    display: block;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.success-message {
    background: rgba(74, 222, 128, 0.1);
    color: #4ade80;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid rgba(74, 222, 128, 0.3);
    display: none;
    text-align: center;
    font-size: 0.9rem;
}

.forgot-password {
    text-align: right;
    margin-top: 10px;
    margin-bottom: 25px;
}

.forgot-password a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.forgot-password a:hover {
    color: #ff4d94;
}

.btn-submit {
    width: 100%;
    padding: 18px 30px;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ff4d94, #ff6b9d);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 77, 148, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 77, 148, 0.4);
}

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

.divider {
    text-align: center;
    margin: 30px 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.divider span {
    background: transparent;
    padding: 0 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.signup-link {
    text-align: center;
    margin-top: 25px;
}

.signup-link p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.signup-link a {
    color: #ff4d94;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.signup-link a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.9);
    padding: 60px 5%;
    color: white;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.footer-logo .white {
    color: white;
}

.footer-logo .pink {
    color: #ff4d94;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 32px 0;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
        gap: 40px;
        padding: 100px 30px 30px;
    }

    .welcome-section,
    .form-section {
        max-width: 600px;
        width: 100%;
    }

    .main-title {
        font-size: 2.8rem;
    }

    .subtitle {
        font-size: 1.15rem;
    }

    .features-list {
        margin-top: 30px;
    }

    .feature-item {
        font-size: 0.95rem;
        margin-bottom: 16px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 14px 20px;
    }

    .logo {
        font-size: 22px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .btn-ghost {
        display: none;
    }

    .main-container {
        padding: 90px 20px 20px;
        gap: 30px;
    }

    .welcome-section {
        text-align: center;
    }

    .badge {
        font-size: 0.85rem;
        padding: 8px 16px;
        margin-bottom: 20px;
    }

    .main-title {
        font-size: 2rem;
        margin-bottom: 16px;
    }

    .subtitle {
        display: none;
    }

    .features-list {
        margin-top: 20px;
    }

    .feature-item {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }

    .feature-item:nth-child(n+3) {
        display: none;
    }

    .form-container {
        padding: 30px 20px;
        border-radius: 24px;
    }

    .form-header h2 {
        font-size: 1.6rem;
    }

    .form-header p {
        font-size: 0.9rem;
    }

    input {
        padding: 14px 18px;
        font-size: 16px;
    }

    .btn-submit {
        padding: 16px 24px;
        font-size: 1rem;
    }

    footer {
        padding: 40px 20px;
    }

    .footer-links {
        gap: 20px;
        font-size: 13px;
    }

    .footer-link {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 20px;
    }

    .btn-primary {
        padding: 10px 16px;
        font-size: 13px;
    }

    .main-title {
        font-size: 1.75rem;
    }

    .badge {
        font-size: 0.8rem;
        padding: 6px 14px;
    }

    .form-container {
        padding: 24px 16px;
    }

    .form-header h2 {
        font-size: 1.4rem;
    }

    .footer-links {
        gap: 16px;
        flex-direction: column;
    }
}