/* Auth Pages Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6C63FF;
    --primary-dark: #5A52D5;
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --dark: #1A1A2E;
    --gray: #6B7280;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    --border: #E5E7EB;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 480px;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.back-link {
    display: inline-block;
    color: var(--gray);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 20px;
    transition: color 0.3s;
}

.back-link:hover {
    color: var(--primary);
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.logo-icon {
    font-size: 32px;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.auth-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 16px;
    color: var(--gray);
}

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.alert-info {
    background: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #93C5FD;
}

/* Form */
.auth-form {
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

.form-group input::placeholder {
    color: #9CA3AF;
}

.form-group small {
    display: block;
    font-size: 12px;
    color: var(--gray);
    margin-top: 4px;
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
    transition: opacity 0.3s;
}

.toggle-password:hover {
    opacity: 0.7;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--gray);
}

.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox a {
    color: var(--primary);
    text-decoration: none;
}

.checkbox a:hover {
    text-decoration: underline;
}

.forgot-link {
    font-size: 14px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

/* Button */
.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 99, 255, 0.4);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Footer */
.auth-footer {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.auth-footer p {
    font-size: 14px;
    color: var(--gray);
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Demo Account */
.demo-account {
    margin-top: 24px;
    padding: 16px;
    background: var(--light-gray);
    border-radius: 8px;
    border: 1px dashed var(--border);
}

.demo-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.demo-info {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 4px;
}

.demo-info strong {
    color: var(--dark);
    font-weight: 600;
}

/* OTP Specific */
.otp-info {
    text-align: center;
    padding: 16px;
    background: var(--light-gray);
    border-radius: 8px;
    margin-bottom: 24px;
}

.otp-info p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 4px;
}

.email-display {
    font-weight: 700;
    color: var(--primary);
    font-size: 16px;
}

.resend-otp {
    text-align: center;
    margin-top: 16px;
}

.resend-otp p {
    font-size: 14px;
    color: var(--gray);
}

.resend-otp a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.resend-otp a:hover {
    text-decoration: underline;
}

.dev-otp {
    padding: 12px;
    background: #FEF3C7;
    border: 1px solid #FCD34D;
    border-radius: 8px;
    margin-bottom: 16px;
    text-align: center;
}

.dev-otp p {
    font-size: 14px;
    color: #92400E;
    margin: 0;
}

.dev-otp span {
    font-size: 20px;
    font-weight: 800;
    color: #78350F;
    letter-spacing: 4px;
}

/* Responsive */
@media (max-width: 640px) {
    .auth-card {
        padding: 24px;
    }

    .auth-title {
        font-size: 24px;
    }

    .form-footer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
}

/* Input validation states */
.form-group input:invalid:not(:placeholder-shown) {
    border-color: var(--error);
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: var(--success);
}

/* Smooth transitions */
* {
    transition: border-color 0.3s, box-shadow 0.3s;
}