:root {
    --primary: #3a7bd5;
    --primary-light: #4a8be6;
    --primary-dark: #2c5ea3;
    --secondary: #00d2ff;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --background: #f7fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --error: #e53e3e;
    --success: #38a169;
    --focus-ring: rgba(58, 123, 213, 0.2);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
    background-image: url('/static/images/backgrounds/health-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.login-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.login-card {
    background-color: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    display: flex;
    min-height: 500px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-content {
    flex: 1;
    padding: 32px 36px;
    display: flex;
    flex-direction: column;
}

.login-header {
    margin-bottom: 20px;
}

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

.logo-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-size: 22px;
    color: var(--primary);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo span {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

h1 {
    font-size: 25px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.alert {
    padding: 11px 13px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 13px;
    display: none;
    animation: fadeIn 0.3s ease;
}

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

.alert-error {
    background-color: rgba(229, 62, 62, 0.1);
    border-left: 4px solid var(--error);
    color: var(--error);
}

.alert-success {
    background-color: rgba(56, 161, 105, 0.1);
    border-left: 4px solid var(--success);
    color: var(--success);
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 13px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

input {
    width: 100%;
    padding: 11px 13px 11px 40px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-primary);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

input:focus + i {
    color: var(--primary);
}

.toggle-password {
    position: absolute;
    right: 13px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary);
}

.toggle-password:focus {
    outline: none;
}

.password-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.forgot-link {
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.forgot-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.remember-me {
    margin-bottom: 16px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 26px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #fff;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary-light);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.btn-login {
    position: relative;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: var(--gradient);
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-login:hover {
    box-shadow: 0 6px 16px rgba(58, 123, 213, 0.3);
    transform: translateY(-2px);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login.loading span {
    opacity: 0;
}

.spinner {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    opacity: 0;
    transition: var(--transition);
    animation: spin 1s linear infinite;
    pointer-events: none;
}

.btn-login.loading .spinner {
    opacity: 1;
}

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

.login-divider {
    position: relative;
    text-align: center;
    margin: 16px 0;
}

.login-divider::before,
.login-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: calc(50% - 62px);
    height: 1px;
    background-color: var(--border);
}

.login-divider::before {
    left: 0;
}

.login-divider::after {
    right: 0;
}

.login-divider span {
    display: inline-block;
    padding: 0 10px;
    background-color: var(--card-bg);
    position: relative;
    color: var(--text-secondary);
    font-size: 13px;
}

.social-login {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.social-button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    border-radius: 10px;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.social-button:hover {
    background-color: #f9fafb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.google i {
    color: #DB4437;
    font-size: 15px;
}

.facebook i {
    color: #4267B2;
    font-size: 15px;
}

.signup-link {
    margin-top: auto;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
}

.signup-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.signup-link a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.login-banner {
    flex: 1;
    background: var(--gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.login-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 80% 10%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 20% 90%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 340px;
    text-align: center;
}

.banner-icon {
    width: 95px;
    height: 95px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    padding: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.banner-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.banner-content h2 {
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 11px;
    color: white;
}

.banner-content p {
    opacity: 0.9;
    margin-bottom: 24px;
    font-size: 14px;
}

.banner-features {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.feature-item {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px 13px;
    border-radius: 8px;
    transition: var(--transition);
}

.feature-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 16px;
    margin-right: 10px;
}

.feature-item span {
    font-weight: 500;
    font-size: 14px;
}

/* Desktop grande 1905x911 */
@media (min-width: 1600px) and (min-height: 800px) {
    .login-container {
        max-width: 950px;
    }
    
    .login-card {
        min-height: 520px;
    }
    
    body {
        background-size: cover;
    }
}

/* Desktop médio 1521x695 */
@media (min-width: 1200px) and (max-width: 1599px) {
    .login-container {
        max-width: 850px;
    }
    
    .login-card {
        min-height: 480px;
    }
    
    .login-content {
        padding: 28px 32px;
    }
    
    body {
        background-size: cover;
    }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1199px) {
    .login-container {
        max-width: 700px;
    }
    
    .login-card {
        flex-direction: column;
        min-height: auto;
    }
    
    .login-banner {
        display: none;
    }
    
    .login-content {
        padding: 32px;
    }
    
    body {
        background-size: cover;
        padding: 30px 20px;
    }
}

/* Mobile */
@media (max-width: 767px) {
    body {
        background-size: cover;
        background-attachment: scroll;
        padding: 15px;
    }
    
    .login-card {
        flex-direction: column;
        min-height: auto;
        border-radius: 16px;
    }
    
    .login-banner {
        display: none;
    }
    
    .login-content {
        padding: 24px 20px;
    }
    
    h1 {
        font-size: 22px;
    }
    
    .login-header p {
        font-size: 13px;
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .logo span {
        font-size: 16px;
    }
    
    .social-login {
        flex-direction: column;
    }
    
    .form-group {
        margin-bottom: 14px;
    }
    
    input {
        padding: 10px 12px 10px 38px;
        font-size: 13px;
    }
    
    .btn-login {
        padding: 11px;
        font-size: 14px;
    }
}

/* Mobile pequeno */
@media (max-width: 380px) {
    .login-content {
        padding: 20px 16px;
    }
    
    h1 {
        font-size: 20px;
    }
    
    .social-button {
        font-size: 12px;
        padding: 9px;
    }
}