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

:root {
    --bg-left-light: #ffffff;
    --bg-login-light: rgba(65, 65, 65, 0.98);
    --bg-login-dark: rgba(30, 30, 30, 0.98);
    --text-primary-light: #ffffff;
    --text-secondary-light: #cccccc;
    --input-bg-light: #3a3a3a;
    --input-border-light: #4a4a4a;
    --input-focus-bg-light: #444444;
    --text-primary-dark: #ffffff;
    --text-secondary-dark: #b0b0b0;
    --input-bg-dark: #2a2a2a;
    --input-border-dark: #3a3a3a;
    --input-focus-bg-dark: #333333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    overflow: hidden;
    height: 100vh;
    transition: background-color 0.3s ease;
}

.login-container {
    display: flex;
    height: 100vh;
    width: 100%;
    position: relative;
    background-color: var(--bg-login-light);
    transition: background-color 0.3s ease;
}

/* Preferences Controls */
.preferences-controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.preferences-dropdown {
    position: relative;
}

.preferences-toggle {
    background-color: rgba(42, 42, 42, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    backdrop-filter: blur(10px);
}

.preferences-toggle:hover {
    background-color: rgba(42, 42, 42, 1);
    border-color: rgba(var(--accent-color-rgb), 0.5);
}

.preferences-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background-color: rgba(42, 42, 42, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px;
    min-width: 240px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.preferences-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.preference-group:last-child {
    margin-bottom: 0;
}

.preference-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.theme-switch,
.language-switch {
    display: flex;
    gap: 8px;
}

.theme-btn,
.lang-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #cccccc;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.theme-btn:hover,
.lang-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(var(--accent-color-rgb), 0.3);
    color: var(--text-light);
}

.theme-btn.active,
.lang-btn.active {
    background-color: rgba(var(--accent-color-rgb), 0.2);
    border-color: var(--accent-color);
    color: var(--text-light);
}

.theme-btn i,
.lang-btn i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Dark Theme Styles */
[data-theme="dark"] .login-container {
    background-color: var(--bg-login-dark);
}

[data-theme="dark"] .login-left,
[data-theme="dark"] .login-right {
    background-color: var(--bg-login-dark);
}

[data-theme="dark"] .preferences-toggle {
    background-color: rgba(30, 30, 30, 0.9);
}

[data-theme="dark"] .preferences-menu {
    background-color: rgba(30, 30, 30, 0.98);
}

/* Left Section */
.login-left {
    flex: 1;
    background-color: var(--bg-left-light);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 1;
    transition: background-color 0.3s ease;
}

.logo-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img {
    max-width: 200px;
    width: 100%;
    height: auto;
    object-fit: contain;
}


/* Right Section */
.login-right {
    flex: 1;
    background-color: var(--bg-login-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-primary-light);
    position: relative;
    z-index: 1;
    transition: background-color 0.3s ease;
}

.login-form-container {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 2;
}

.login-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary-light);
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.login-subtitle {
    font-size: 16px;
    color: var(--text-secondary-light);
    margin-bottom: 32px;
    transition: color 0.3s ease;
}

.alert-error {
    background-color: rgba(248, 215, 218, 0.2);
    color: #ff6b6b;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 24px;
    font-size: 14px;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.login-form {
    margin-bottom: 24px;
}

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

.form-group input {
    width: 100%;
    padding: 14px 16px;
    background-color: var(--input-bg-light);
    border: 1px solid var(--input-border-light);
    border-radius: 8px;
    font-size: 16px;
    color: #ffffff;
    transition: all 0.2s;
}

[data-theme="dark"] .form-group input {
    background-color: var(--input-bg-dark);
    border-color: var(--input-border-dark);
}

.form-group input::placeholder {
    color: #999;
}

.form-group input:focus {
    outline: none;
    background-color: var(--input-focus-bg-light);
    border-color: var(--accent-color);
}

[data-theme="dark"] .form-group input:focus {
    background-color: var(--input-focus-bg-dark);
}

.password-group {
    position: relative;
}

.password-group input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-password:hover {
    color: #ffffff;
}

.btn-acelerar {
    width: 100%;
    padding: 16px;
    background-color: var(--accent-color);
    color: var(--text-light);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-acelerar:hover {
    background-color: var(--accent-hover);
}

.register-link {
    text-align: center;
    color: var(--text-secondary-light);
    font-size: 14px;
    transition: color 0.3s ease;
}

.register-link a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    margin-left: 4px;
    transition: color 0.2s;
}

.register-link a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Quick Login Buttons */
.quick-login-container {
    margin-top: 24px;
    text-align: center;
}

.quick-login-divider {
    margin-bottom: 16px;
    color: var(--text-secondary-light);
    font-size: 14px;
    transition: color 0.3s ease;
}

.quick-login-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    width: 100%;
}

.btn-quick-login {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background-color: rgba(var(--accent-color-rgb), 0.1);
    border: 1px solid rgba(var(--accent-color-rgb), 0.3);
    border-radius: 8px;
    width: 100%;
}

.btn-quick-login:hover {
    color: var(--text-light);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(var(--accent-color-rgb), 0.3);
}

.btn-quick-login i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-quick-login span {
    white-space: nowrap;
}

@media (max-width: 768px) {
    .quick-login-buttons {
        grid-template-columns: 1fr;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }

    .login-left {
        flex: 0 0 200px;
    }

    .logo-container {
        padding: 24px;
    }

    .logo {
        font-size: 24px;
    }

    .smoke-graphic {
        height: 40%;
    }

    .login-right {
        flex: 1;
        padding: 24px;
    }

    .login-title {
        font-size: 24px;
    }
    
    .preferences-controls {
        top: 10px;
        right: 10px;
    }
    
    .preferences-menu {
        right: 0;
        min-width: 200px;
    }
}