/* ===================================
   Base box-sizing fix
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

/* ===================================
   Auth Layout
   =================================== */
.auth-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

/* ===================================
   Auth Header
   =================================== */
.auth-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 16px 24px;
    gap: 12px;
}

/* ===================================
   Auth Container
   =================================== */
.auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

/* ===================================
   Auth Card
   =================================== */
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* ===================================
   Auth Branding
   =================================== */
.auth-branding {
    text-align: center;
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.auth-logo {
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
    border-radius: 12px;
}

.auth-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px;
}

.auth-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* ===================================
   Portal Tabs
   =================================== */
.portal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.portal-tab {
    flex: 1;
    padding: 14px 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed);
    position: relative;
}

    .portal-tab:hover {
        color: var(--text-primary);
        background: var(--bg-hover);
    }

    .portal-tab.active {
        color: var(--accent-primary);
        background: var(--bg-primary);
    }

        .portal-tab.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-primary);
            border-radius: 3px 3px 0 0;
        }

.portal-tab-icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    vertical-align: middle;
}

/* ===================================
   Auth Form
   =================================== */
.auth-form-container {
    padding: 24px;
}

.auth-form-header {
    text-align: center;
    margin-bottom: 20px;
}

.auth-form-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px;
}

.auth-form-description {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

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

.auth-form .form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.auth-form .form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 8px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    transition: all var(--transition-speed);
    box-sizing: border-box;
}

    .auth-form .form-control:focus {
        outline: none;
        border-color: var(--input-focus-border);
        box-shadow: var(--input-focus-shadow);
    }

    .auth-form .form-control::placeholder {
        color: var(--text-muted);
    }

.auth-form .btn-submit {
    width: 100%;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    background: var(--accent-primary);
    border: none;
    color: #ffffff;
    cursor: pointer;
    transition: all var(--transition-speed);
}

    .auth-form .btn-submit:hover {
        background: var(--accent-primary-hover);
    }

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

/* ===================================
   Auth Alerts
   =================================== */
.auth-alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-alert-danger {
    background: rgba(218, 55, 60, 0.12);
    color: var(--accent-danger);
    border: 1px solid rgba(218, 55, 60, 0.2);
}

.auth-alert-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ===================================
   Validation Errors
   =================================== */
.field-validation-error {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--accent-danger);
}

.input-validation-error {
    border-color: var(--accent-danger) !important;
}

/* ===================================
   Theme Toggle (Auth)
   =================================== */
.auth-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed);
    color: var(--text-secondary);
}

    .auth-theme-toggle:hover {
        background: var(--bg-hover);
        color: var(--text-primary);
    }

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

/* ===================================
   Language Switcher (Auth)
   =================================== */
.auth-language-switcher {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

    .auth-language-switcher form {
        display: contents;
    }

.auth-lang-btn {
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-right: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.auth-language-switcher form:last-child .auth-lang-btn {
    border-right: none;
}

.auth-lang-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.auth-lang-btn.active {
    background: var(--accent-primary);
    color: #ffffff;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 480px) {
    .auth-header {
        padding: 12px 16px;
    }

    .auth-container {
        padding: 16px;
    }

    .auth-card {
        border-radius: 12px;
    }

    .auth-branding {
        padding: 20px 20px 16px;
    }

    .auth-logo {
        width: 48px;
        height: 48px;
    }

    .auth-title {
        font-size: 20px;
    }

    .portal-tab {
        padding: 12px 8px;
        font-size: 13px;
    }

    .portal-tab-icon {
        display: none;
    }

    .auth-form-container {
        padding: 20px;
    }
}