/**
 * Green Sprint - Authentication Page Styles
 * Login, Register, and Password Reset UI
 */

/* ============================================
   Auth Page Layout
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    background: linear-gradient(135deg, #2d5a27 0%, #4a9c3f 50%, #7bc96f 100%);
    position: relative;
    overflow: hidden;
}

/* Background decorations */
.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.auth-page::after {
    content: '🌳';
    position: absolute;
    bottom: 5%;
    left: 3%;
    font-size: 100px;
    opacity: 0.1;
    pointer-events: none;
}

/* Left panel - branding */
.auth-branding {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    color: white;
}

.auth-branding .logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.auth-branding .logo img {
    width: 60px;
    height: 60px;
    border-radius: 15px;
}

.auth-branding .logo h1 {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin: 0;
}

.auth-branding h2 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.auth-branding p {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 500px;
}

.auth-features {
    margin-top: 40px;
}

.auth-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.auth-feature-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.auth-feature span {
    font-size: 16px;
}

/* Right panel - form */
.auth-form-panel {
    width: 500px;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    position: relative;
}

.auth-form-container {
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
}

.auth-form-header {
    text-align: center;
    margin-bottom: 35px;
}

.auth-form-header h2 {
    font-size: 28px;
    color: #1a1a2e;
    margin-bottom: 10px;
}

.auth-form-header p {
    color: #666;
    font-size: 15px;
}

/* ============================================
   Form Styles
   ============================================ */
.auth-form .form-group {
    margin-bottom: 22px;
}

.auth-form .form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.auth-form .form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: #fafafa;
}

.auth-form .form-control:focus {
    outline: none;
    border-color: #2d5a27;
    background: white;
    box-shadow: 0 0 0 4px rgba(45, 90, 39, 0.1);
}

.auth-form .form-control::placeholder {
    color: #aaa;
}

/* Input with icon */
.input-with-icon {
    position: relative;
}

.input-with-icon .form-control {
    padding-left: 45px;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    font-size: 16px;
}

.input-with-icon .toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    padding: 0;
}

.input-with-icon .toggle-password:hover {
    color: #2d5a27;
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #2d5a27;
    cursor: pointer;
}

.form-check label {
    font-size: 14px;
    color: #555;
    cursor: pointer;
}

.form-check label a {
    color: #2d5a27;
    text-decoration: none;
}

.form-check label a:hover {
    text-decoration: underline;
}

/* Form row */
.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.forgot-password {
    color: #2d5a27;
    font-size: 14px;
    text-decoration: none;
}

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

/* Submit button */
.btn-auth {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #2d5a27 0%, #4a9c3f 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(45, 90, 39, 0.3);
}

.btn-auth:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-auth .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 10px;
}

.btn-auth.loading .spinner {
    display: inline-block;
}

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

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e0e0e0;
}

.auth-divider span {
    padding: 0 15px;
    color: #888;
    font-size: 13px;
}

/* Social login buttons */
.social-login {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 13px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: white;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-social:hover {
    border-color: #2d5a27;
    background: #fafafa;
}

.btn-social img {
    width: 20px;
    height: 20px;
}

/* Form footer */
.auth-form-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #eee;
}

.auth-form-footer p {
    color: #666;
    font-size: 14px;
}

.auth-form-footer a {
    color: #2d5a27;
    font-weight: 600;
    text-decoration: none;
}

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

/* ============================================
   Error & Success Messages
   ============================================ */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #dcfce7;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

.alert i {
    font-size: 18px;
}

/* Field error */
.form-control.error {
    border-color: #dc2626;
    background: #fef2f2;
}

.field-error {
    color: #dc2626;
    font-size: 12px;
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ============================================
   Password Strength Indicator
   ============================================ */
.password-strength {
    margin-top: 10px;
}

.strength-bar {
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 5px;
}

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

.strength-bar-fill.weak {
    width: 25%;
    background: #dc2626;
}

.strength-bar-fill.fair {
    width: 50%;
    background: #f59e0b;
}

.strength-bar-fill.good {
    width: 75%;
    background: #10b981;
}

.strength-bar-fill.strong {
    width: 100%;
    background: #2d5a27;
}

.strength-text {
    font-size: 12px;
    color: #888;
}

.strength-text.weak { color: #dc2626; }
.strength-text.fair { color: #f59e0b; }
.strength-text.good { color: #10b981; }
.strength-text.strong { color: #2d5a27; }

/* ============================================
   Verification Code Input
   ============================================ */
.verification-code-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 30px 0;
}

.verification-code-group input {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: #fafafa;
    transition: all 0.3s ease;
}

.verification-code-group input:focus {
    outline: none;
    border-color: #2d5a27;
    background: white;
}

.resend-code {
    text-align: center;
    margin-top: 20px;
}

.resend-code p {
    color: #666;
    font-size: 14px;
}

.resend-code button {
    background: none;
    border: none;
    color: #2d5a27;
    font-weight: 600;
    cursor: pointer;
}

.resend-code button:disabled {
    color: #999;
    cursor: not-allowed;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .auth-branding {
        display: none;
    }
    
    .auth-form-panel {
        width: 100%;
        padding: 40px 30px;
    }
}

@media (max-width: 480px) {
    .auth-form-panel {
        padding: 30px 20px;
    }
    
    .auth-form-header h2 {
        font-size: 24px;
    }
    
    .verification-code-group input {
        width: 45px;
        height: 55px;
        font-size: 20px;
    }
}