@import url('login.css');

.register-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.register-card {
    width: 100%;
    max-width: 440px;
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.register-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.register-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--text-primary), var(--light-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.register-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-weight: 400;
}

.register-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.validation-icon {
    position: absolute;
    right: var(--spacing-md);
    display: none;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

.validation-icon.checking::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-muted);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.validation-icon.available::after {
    content: '✓';
    color: hsl(140, 70%, 50%);
    font-size: 18px;
    font-weight: bold;
}

.validation-icon.taken::after {
    content: '✕';
    color: hsl(0, 70%, 60%);
    font-size: 18px;
    font-weight: bold;
}

.validation-icon.match::after {
    content: '✓';
    color: hsl(140, 70%, 50%);
    font-size: 18px;
    font-weight: bold;
}

.validation-icon.no-match::after {
    content: '✕';
    color: hsl(0, 70%, 60%);
    font-size: 18px;
    font-weight: bold;
}

.validation-icon.checking,
.validation-icon.available,
.validation-icon.taken,
.validation-icon.match,
.validation-icon.no-match {
    display: flex;
}

.validation-message {
    font-size: var(--font-size-xs);
    margin-top: 4px;
    margin-left: var(--spacing-xs);
    min-height: 16px;
    display: block;
}

.validation-message.error {
    color: hsl(0, 70%, 60%);
}

.validation-message.success {
    color: hsl(140, 70%, 50%);
}

.validation-message.info {
    color: var(--text-muted);
}

.password-strength {
    margin-top: var(--spacing-xs);
    display: none;
}

.password-strength.active {
    display: block;
}

.strength-bar {
    width: 100%;
    height: 4px;
    background: hsla(250, 20%, 20%, 0.5);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 4px;
}

.strength-fill {
    height: 100%;
    width: 0%;
    transition: all var(--transition-base);
    border-radius: 2px;
}

.strength-fill.weak {
    width: 33%;
    background: hsl(0, 70%, 60%);
}

.strength-fill.medium {
    width: 66%;
    background: hsl(45, 90%, 55%);
}

.strength-fill.strong {
    width: 100%;
    background: hsl(140, 70%, 50%);
}

.strength-text {
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-xs);
}

.strength-text.weak {
    color: hsl(0, 70%, 60%);
}

.strength-text.medium {
    color: hsl(45, 90%, 55%);
}

.strength-text.strong {
    color: hsl(140, 70%, 50%);
}

.form-input.valid {
    border-color: hsl(140, 70%, 50%);
}

.form-input.invalid {
    border-color: hsl(0, 70%, 60%);
}

.input-wrapper:has(.validation-icon.checking) .form-input,
.input-wrapper:has(.validation-icon.available) .form-input,
.input-wrapper:has(.validation-icon.taken) .form-input,
.input-wrapper:has(.validation-icon.match) .form-input,
.input-wrapper:has(.validation-icon.no-match) .form-input {
    padding-right: 3rem;
}

.register-footer {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.login-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.login-link {
    color: var(--primary-purple);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-base);
}

.login-link:hover {
    color: var(--light-purple);
}

@media (max-width: 768px) {
    .register-container {
        padding: var(--spacing-lg);
    }

    .register-card {
        padding: var(--spacing-xl);
    }

    .register-title {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .register-container {
        padding: var(--spacing-md);
    }

    .register-card {
        padding: var(--spacing-lg);
    }

    .register-form {
        gap: var(--spacing-sm);
    }
}