/* ===========================================
   AUTHENTICATION PAGES STYLES
   =========================================== */

/* Auth Container */
.auth-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    padding-top: 6rem;
}

/* Auth Card */
.auth-card {
    width: 100%;
    max-width: 420px;
    background: rgba(20, 20, 40, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.form-group input {
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus {
    outline: none;
    border-color: #6366F1;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: rgba(239, 68, 68, 0.6);
}

/* Password Input with Toggle */
.password-input {
    position: relative;
}

.password-input input {
    width: 100%;
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.toggle-password:hover {
    color: white;
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.toggle-password .hidden {
    display: none;
}

/* Password Strength Indicator */
.password-strength {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.strength-bar {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s, background 0.3s;
}

.strength-bar.weak {
    width: 33%;
    background: #ef4444;
}

.strength-bar.medium {
    width: 66%;
    background: #f59e0b;
}

.strength-bar.strong {
    width: 100%;
    background: #10b981;
}

/* Error Message */
.form-error {
    padding: 0.875rem 1rem;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 10px;
    color: #f87171;
    font-size: 0.875rem;
    text-align: center;
}

.form-error.hidden {
    display: none;
}

/* Submit Button */
.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #FF6B6B 0%, #9B59B6 50%, #3498DB 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 0.5rem;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit .spinner {
    animation: spin 1s linear infinite;
}

.btn-submit .spinner.hidden {
    display: none;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Auth Footer */
.auth-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    text-align: center;
}

.auth-footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.auth-footer a {
    color: #a78bfa;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: #c4b5fd;
}

/* Success State */
.auth-card.success {
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: #10b981;
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
        padding-top: 5rem;
    }

    .auth-card {
        padding: 1.5rem;
        border-radius: 16px;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }
}